You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: David Thompson here.

ASSISTANT: What help that I can assist you?

USER: I want travel from IAD to ATL for a business trip, can you please check is there any flight available on my route?

ASSISTANT: Sure, I am happy to help you and can you please mention your preferable travel dates?

USER: Thank you, my departure is on Aug 16 and please book my return ticket also on Aug 18.

ASSISTANT: How much can you afford for your ticket?

USER: I can afford up to 1000.

ASSISTANT: Please allow me a moment.

USER: Ok, take your time.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by AA airlines. Shall I proceed with this?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Ok David, your ticket has confirmed in 1008 flight to reach your destination.

USER: Thank you for your kind assistance.

ASSISTANT: You are most welcome and thank you for approaching us.