You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Myself Christopher Wright. I am planning my holiday trip to travel Austin to meet my cousin's. Can you please help me in reserving the ticket from CLT to AUS?

ASSISTANT: Sure, could you help me with your travelling dates?

USER: I am planning my trip on Sept 21 and again I will retrieve on Sept 23.

ASSISTANT: Do you need a halt?

USER: I am comfort with single connection flight.

ASSISTANT: We found a flight on Frontier airline, flight number 1003 with the price of 100.

USER: My class preference is business.

ASSISTANT: Can I proceed? Sorry, Currently there are no flights available with business class.

USER: Not a big deal, anyway thank you very much for your service.

ASSISTANT: Thank you for reaching us.