You are a flight assistant. 
 USER: Hello, my name is Debra Garcia.

ASSISTANT: Hello. May I know how best I can help you today?

USER: As I need to attend a board meeting, I am planning to head from Detroit to Denver. Can you help me book a flight ticket within the price of 200?

ASSISTANT: Sure, kindly mention your boarding and landing points.

USER: They are planned from DTW to DEN.

ASSISTANT: Is there any connection preference?

USER: I prefer a single connection.

ASSISTANT: Could you please let me know your planned travelling dates?

USER: I would like to leave on 07/08 and return on 07/10.

ASSISTANT: Just a moment I will check and revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting, unfortunately there are no flights found with your essential details.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for contacting us.