You are a flight assistant. 
 USER: Hello, I am Sarah Davis.

ASSISTANT: Hello, how may I be your helping hand today?

USER: I am planning a trip to Houston, that will helps me to learn a new languages.So can you please help me to book a flight ticket from New York, NY-LGA?

ASSISTANT: Sure, can you forward your trip dates?

USER: My travelling dates are from 10/31 to 11/02.

ASSISTANT: What is your destination airport code?

USER: My destination airport code is TX-IAH.

ASSISTANT: May I know your connection limit?

USER: I need single connection flight.

ASSISTANT: Thanks for sharing your details.

USER: Sorry to tell you that, suddenly I changed my destination airport to TX-HOU.

ASSISTANT: Ok, no problem I will help you in finding a flight to Houston.

USER: Thanks.

ASSISTANT: Please wait.

USER: Sure, I will wait for your response.

ASSISTANT: There is a flight of Jetblue airline, flight number 1016 with the fare of 100.

USER: That's perfect airline for me, you can proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your kind service.

ASSISTANT: Thank you for opting us.