You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: As I am a doctor, I want to conduct a free Medical camp at Washington, DCA.

ASSISTANT: Sure, may I know your travelling dates please?

USER: My scheduled dates are June 25 and June 27.

ASSISTANT: Can you please share your connection limit?

USER: I want single connected flight.

ASSISTANT: May I know your airport codes please?

USER: My source airport code is DEN.

ASSISTANT: Do you have any other specifications?

USER: Yes, I prefer economy class.

ASSISTANT: On whose name I want to book a flight ticket?

USER: Please reserve on the name of Rachel Lewis.

ASSISTANT: Delta airlines is providing connecting flight for you with the fare of 200 in economy class, shall I proceed with the booking?

USER: Ok, please confirm.

ASSISTANT: Your ticket is booked with the flight-1005.

USER: Thank you.

ASSISTANT: Thank you for reaching us.