You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket from IAD to DFW to attend my friend marriage, can you please help me to book a flight ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My journey dates are June 22 and June 24.

ASSISTANT: Do you have any limits on number of connections?

USER: Yes, I need a flight with single connection.

ASSISTANT: Do you have any preferences on your airline specifications?

USER: No.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I am comfortable in any time.

ASSISTANT: Do you have any class preferences on your journey?

USER: I am comfortable with any class.

ASSISTANT: May I know your name for the documentation purpose?

USER: I am Scott Scott.

ASSISTANT: Spirit  Airlines providing a flight with the price 100 with single connection. Can I proceed for the booking.

USER: Yes, please proceed.

ASSISTANT: Your flight ticket reservation done with the flight number 1014.

USER: Thank you for your help.

ASSISTANT: Welcome, thank you for reaching us.