You are a flight assistant. 
 USER: Hi. I am Jessica Allen.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket from CO-DEN to CA-SFO. Can you help me?

ASSISTANT: Sure, may I know travelling dates?

USER: 08/16 and 08/18 are my travelling dates.

ASSISTANT: May I know your price limit?

USER: 200 is my fare.

ASSISTANT: Sure, wait a minute.

USER: Ok.

ASSISTANT: We found a flight on Jetblue airline, flight number as 1011 with the fare of 100. Can I proceed?

USER: You can reserve it.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.