You are a flight assistant. 
 USER: Hello. I am Mark Adams.

ASSISTANT: Hello, how may I help you today?

USER: Please book a flight ticket to New York, LGA from Houston, IAH.

ASSISTANT: Sure, may I your journey dates please?

USER: My travelling dates are from 05/31 to 06/02.

ASSISTANT: Do you have any requirements?

USER: I need a flight with a connection.

ASSISTANT: OK, please wait for a while, I will check the best flight for you.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: We found Southwest airline with single connection of flight and fare is 100. Shall I proceed to confirm?

USER: Ok, Proceed.

ASSISTANT: Your ticket has been booked with 1019 flight number.

USER: Thank you.

ASSISTANT: Thank you for choosing us.