You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Larry Allen from Charlotte.

ASSISTANT: Allen, how may I render you?

USER: I need to attend a cultural festival in Austin so please book a flight ticket from Charlotte.

ASSISTANT: Sure, I am glad to help you. May I know your itinerary dates?

USER: Thank you. I have planned my travel dates as 03/23 and 03/25.

ASSISTANT: Please share your origin and destination airport codes.

USER: Sure, I would like to travel from CLT to AUS as these are very much near to my travelling locations.

ASSISTANT: Please give me a moment to check for available flights.

USER: Sure, take your time to check.

ASSISTANT: Southwest airlines with flight 1029 is available on your route with a connecting flight.

USER: I am comfortable with this flight details so you can proceed with booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for helping me in flight ticket booking.

ASSISTANT: Thank you for reaching us.