You are a flight assistant. 
 USER: Hello, I am Donna Mitchell.

ASSISTANT: Hello. How may I be of your service?

USER: I would like to visit Rocky Mountain Arsenal National Wildlife Refuge at MSP. please book me a ticket from IAD.

ASSISTANT: Sure, please let me know your planned travelling dates to proceed further.

USER: I would start on 07/28 and return on 07/30.

ASSISTANT: Is there any connection limit?

USER: Yes, I need a break.

ASSISTANT: Kindly share your fare limit.

USER: I need a cheapest flight possible as my budget is 200.

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

USER: Ok.

ASSISTANT: We found a Jet Blue airline matching your essential details with single connection and the fare 200.

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed with the flight number-1006.

USER: Thanks for your service.

ASSISTANT: Thanks for approaching us.