You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Andrew Brown here, I would like to visit Rocky Mountain Arsenal National Wildlife Refuge at Denver, DEN. Can you help me with booking a flight within price 200?

ASSISTANT: Sure, From where do I need to avail a ticket for you?

USER: I would like to board at SEA.

ASSISTANT: May I know on what dates you prefer to travel?

USER: I will prefer to go on 07/01 and return back on 07/03.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT: Thank you for waiting, here is a flight in Delta airline of flight number 1019 having halt and fare is 100. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you for your support.

ASSISTANT: Thank you for reaching us.