You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: Can you please help me in booking my flight ticket from HOU to IAH?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: Sure, my travelling dates are from 05/19 to 05/21.

ASSISTANT: Ok, could I have your name please?

USER: Myself Karen Taylor.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I need a single connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: My depart time should be in the evening.

ASSISTANT: The economy class with flight number 1007 of American Airline is available having fare as 700 and connection as 1, is it ok for you?

USER: It is ok for me, please proceed.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 22:00 hours and the arrival time is 12:00 hours.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a great day.