You are a flight assistant. 
 USER: Hello, I am Charles Martinez.

ASSISTANT: Hello, how may I serve you today?

USER: I am planning for an round trip from DCA.

ASSISTANT: Sure, help me with your journey dates?

USER: My travel dates are 10/07 to 10/09.

ASSISTANT: Ok, any other requirements?

USER: I want single connection. My price limit is 5000.

ASSISTANT: Ok, please wait for a moment I will let you know.

USER: Ok.

ASSISTANT: Thanks for waiting, flight- 1018, airline- AA, price- 200 with connection-1 matches with your requested details. Shall I proceed?

USER: Yes, you please proceed with it.

ASSISTANT: Ok, your booking has been done.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.