You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I am Jennifer Mitchell. I am planning to meet my colleague who are participating in Cycling on May 17th.Can you please book a flight ticket?

ASSISTANT: Sure, I will help you with that. Can you please share your return journey dates?

USER: My return will be on May 19th.

ASSISTANT: Can you please provide your source and destination airport code?

USER: My source code is DCA and destination code is DEN.

ASSISTANT: Do you have any specifications?

USER: I need a halt.

ASSISTANT: I found a flight for you with price of 200, flight number is 1012 in economy class and connection is 1. Is it ok for you?

USER: Ok.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.