You are a flight assistant. 
 USER: Hello, is your agency providing service related to flight ticket booking?

ASSISTANT: Hello. Yes, welcome to flight booking agency. How may I assist you today?

USER: I need a economy class ticket in a flight to New York. Can you avail me a single ticket under my name?

ASSISTANT: Ok, I am happy to help you before going to find a flight I need your preferable airport codes to get a better airline for you.

USER: Definitely. I am presently staying at Denver, so DEN will be convenient for me to board the flight and I would like to drop off at the JFK airport in New York.

ASSISTANT: Fine, please help me by giving your travelling dates so that I can help you easily.

USER: My interview is scheduled on 02/17, so I need to start on 02/16. As I am not sure at which time interview will be taken, so I want to return back on 02/18.

ASSISTANT: Ok, may I know your name in the meanwhile for further proceedings?

USER: I want to make this booking under the name Katherine Hall.

ASSISTANT: Thanks for your details, please wait for a moment I will revert you back with the required information.

USER: I want the ticket which costs within 200.

ASSISTANT: I am appreciating your patience, we have a direct flight-1005 for you with price 100. Are you fine with the Spirit airline services?

USER: No, I need 1 halt in middle. Please try to find a connecting flight, if it is possible.

ASSISTANT: Sure, let me check the flight with your preferences.

USER: Ok.

ASSISTANT: Thanks for your time. Sorry for the inconvenience, there is no flight for you regarding your information.

USER: No issues. I will try to reach my destination by any other alternative means of transportation.

ASSISTANT: Ok, thanks for contacting us.

USER: I was gratified by your service. Thank you for guiding me.

ASSISTANT: It's my pleasure.