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

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

USER: I want to participate in Death Valley Adventure at Chicago, IL - ORD. Can you please book a ticket with a fare of 200?

ASSISTANT: Sure, I am here to aid you. Can I know your source point?

USER: My source is Seattle, WA - SEA.

ASSISTANT: On which dates are you going to travel?

USER: My travelling dates are on 10/22 to 10/24.

ASSISTANT: Please, hold on a minute.

USER: Sure.

ASSISTANT: Thanks for holding on, sorry we have a flight of 1200 fare which is quiet expensive than your budget.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for choosing us. hope we serve you next with in your budget. Have a nice day.