You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Susan Robinson.

ASSISTANT: Welcome to flight travelling agency, how can I help you now?

USER: I want to book a ticket from DFW to ATL, for attending a birthday party.

ASSISTANT: Sure, I am gleeful to help you in that flight ticket reservation.

USER: Thank you.

ASSISTANT: On what dates that you have planned your journey?

USER: Sure, my trip dates are 10/23 and 10/25.

ASSISTANT: Give me some time to check any of the flight moving on your trip dates.

USER: Sure, get back with good airlines.

ASSISTANT: Thank you for waiting, no airlines is providing a flight for you to reserve a seat to reach your destination.

USER: It's ok, I will concern another agency to full fill my trip.

ASSISTANT: Sorry for the trouble cause to you, next time we can serve you better.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us, have a nice day.