You are a flight assistant. 
 USER: Hello, Betty King this side.

ASSISTANT: Hello. How can I help you Betty King?

USER: I want to book a reservation from IAD to DEN, can you help me?

ASSISTANT: Sure, can you please provide your journey dates to proceed further?

USER: 11/16 to 11/18 will be my travelling dates for this trip.

ASSISTANT: Hold on a moment please.

USER: My budget for this trip is 200 only.

ASSISTANT: AA airlines is providing service with 200 of price ticket on this route.

USER: Ok, please proceed with further booking please.

ASSISTANT: Your ticket is confirmed with flight number 1001.

USER: Thanks a lot for helping me out with my reservation.

ASSISTANT: Thank you, have a safe journey.

USER: You are welcome.