You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you?

USER: I am Jennifer Anderson. Please book a flight from Oakland, CA-OAK to Denver, CO-DEN.

ASSISTANT: When are you planning to travel?

USER: Departure by 03/10 and return on 03/12.

ASSISTANT: Frontier airlines with single connection and price is 100 of 1010 flight. Shall I proceed for booking?

USER: Yes, please proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks.

ASSISTANT: Thank you.