You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Thomas Jones. I need to book a flight ticket from MN-MSP to NY-JFK to meet my uncle.

ASSISTANT: Sure, when are you willing to fly?

USER: I would like to fly on 12/16.

ASSISTANT: Ok, any other requirements to meet?

USER: I need a connecting flight.

ASSISTANT: Ok, let me know your return date please?

USER: I want to return on 12/18.

ASSISTANT: Ok, we found a flight- 1000 with airline- Spirit, price- 300 matches your requested details. Shall I proceed?

USER: Do not proceed with booking, I can afford only 200 for the flight ticket.

ASSISTANT: Ok, no issues.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.