You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Could you please make a reservation with the name of Mary Collins?

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

USER: I want to travel on Mar 30 and return on Apr 01.

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

USER: I need a single connecting flight.

ASSISTANT: May I know your planned airport codes please?

USER: My source is DEN and destination is ATL.

ASSISTANT: Do you have any another specifications on your journey?

USER: No.

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

USER: Ok, proceed with the booking.

ASSISTANT: Your flight ticket reservation done with the flight number 1025.

USER: Thank you.

ASSISTANT: Welcome, thank you for reaching us.