You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I support you today?

USER: I am a student and I have to write an exam at DCA location, can you please help me with flight ticket booking from DFW location?

ASSISTANT: Sure, may I know your name please?

USER: I have planned to departure on Oct 6th and I will arrive back on Oct 8th. And my name is Gregory Jackson.

ASSISTANT: Please let me know your connection preference.

USER: I am looking for a single break in my journey.

ASSISTANT: Kindly share if you have any class preference.

USER: Yes, please search a flight with economy class.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to inform you that there are no flights found with your essential details.

USER: Very sad to hear that one from your end, I can find any other airways to reach my destination location on my travel dates. Thank you so much for your immediate search and providing the information.

ASSISTANT: Thank you for approaching us.

USER: Welcome.