You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What type of service do you require from our travel agency?

USER: I am Scott Martin and can you please help me in flight ticket booking from CLT to AUS?

ASSISTANT: Sure, I am glad to help you with the ticket booking. Can I have your trip dates to search the exact flight please?

USER: Thank you and my dates are 04/22 and back on 04/24.

ASSISTANT: Sorry for the trouble that, I am unable to find a flight to reach your destination.

USER: Ok, I can reach other travelling agency to book the ticket. Thank you for your service.

ASSISTANT: It's my pleasure to provide the service. Thank you for reaching us.

USER: Welcome.