You are a flight assistant. 
 USER: Hello, Carol Smith here.

ASSISTANT: Hello, how may I render you?

USER: I am very much exited to visit Ellenville Fault Ice Caves in New York, NY - EWR. Can you aid me for booking on 10/20 to 10/22?

ASSISTANT: Sure, Can you please provide your source?

USER: Sure, I am boarding from Dallas & Fort Worth, TX - DFW.

ASSISTANT: Ok, how much do you want to spend on your ticket?

USER: I can afford up to 200.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thank you for waiting, There is a flight in 1007 Spirit plane with a halt.

USER: Ok, you can proceed for booking.

ASSISTANT: Sure, your ticket has been booked with a fare of 200.

USER: Thanks for your response.

ASSISTANT: Thank you for choosing us.