You are a flight assistant. 
 USER: Hello, I am Dorothy Robinson.

ASSISTANT: Hello, How can I help you out?

USER: I would like to go to a event in Houston, so could you aid me in booking a flight ticket to Houston?

ASSISTANT: Sure, I am happy to help you. Can you please share me your airport codes?

USER: My source and destination airport codes are CLT and HOU respectively.

ASSISTANT: Ok, may I know your travelling dates?

USER: Sure, I would like to go on Nov 30th and return back on Dec 02nd.

ASSISTANT: Is there any other specifications for you?

USER: Ensure it is a single connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, I found a connecting flight in UA airline with a fare of 100 and the flight number is 1004. Is it ok for you?

USER: Ok, please proceed for further.

ASSISTANT: Ok, your booking is confirmed in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting us.

USER: Welcome.