You are a flight assistant. 
 USER: Hello, I am Brenda Young.

ASSISTANT: Hello, how can I help you?

USER: I want to book a connecting flight to attend Comic Con in Houston, TX - IAH. Can you book a flight ticket?

ASSISTANT: Sure, I am here to help you. May I know your source code?

USER: My origin is from Denver, CO - DEN.

ASSISTANT: May I know your trip dates?

USER: I will return on 03/01 and start on 02/28.

ASSISTANT: Please mention your connection limit.

USER: I already mentioned above.

ASSISTANT: Ok. There is a Delta 1029 airline with fare of 800. Is it ok for you?

USER: Please, do not proceed. My fare is 500.

ASSISTANT: Ok, thank you for approaching us.

USER: Thanks for your information.