You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I need to book a flight ticket from LGA to HOU, Can you please help me for booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: I need to book a flight ticket from 01/21 to return on 01/23.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Katherine Evans here.

ASSISTANT: You have a connecting flight 1026 in Southwest airline and price 200, Shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your information.

ASSISTANT: Thank you.