You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, may I know your trip dates?

USER: My planned travel dates are May 26-28.

ASSISTANT: Is there any connection limit?

USER: No, I am comfortable with any flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Hawaiian Airlines providing connecting flight with fare 100 in the economy class, shall I proceed?

USER: Ok, please proceed to book on the name of Jonathan White.

ASSISTANT: Sure, your ticket has been confirmed with flight number 1021.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.