You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to go New York city to meet my friend so please help me with flight ticket booking from HOU to JFK.

ASSISTANT: Sure, I am glad to help you. Could you please share your trip dates?

USER: Thank you. I have planned my travel dates as Dec 02 and Dec 04.

ASSISTANT: May I know your name?

USER: Sure, myself Mark Jackson.

ASSISTANT: Do you have any connection limit?

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: Is there any preferences?

USER: Yes, I would prefer normal cost airlines so please make sure that.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry, there are no flights found on your trip dates.

USER: Oh! It is sad to hear. Anyway, thank you for your time.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.