You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: Can you book a flight ticket from CLT to DFW?

ASSISTANT: Sure, do you have any class preference?

USER: No, I am comfortable with any class.

ASSISTANT: Please let me know your connection limit?

USER: I would be comfortable with a single connecting flight.

ASSISTANT: Could I have your trip dates, please?

USER: My trip dates are in Apr from 13th to 15th.

ASSISTANT: Do you have any other preferences?

USER: No, thanks for asking.

ASSISTANT: May I know your good name to proceed further?

USER: Myself Jessica Miller.

ASSISTANT: We found an United airlines, price is 100 in economy class with one stopover. Shall I proceed?

USER: Yes, please proceed.

ASSISTANT: Your booking has been confirmed with a flight number 1021.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.