You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please  book a flight ticket from SFO to DEN?

ASSISTANT: Sure, please share your planned travel dates?

USER: My travelling dates are from Jan 23 to Jan 25.

ASSISTANT: Let me know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Can I have your name please?

USER: My name is Virginia Parker.

ASSISTANT: American airlines flight- 1003 of price 100 with connection-1 in economy class matches your given details, shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for opting us.