You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to travel from DCA to PHX, can you please help me out with booking of a flight ticket between those locations?

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

USER: Thank you for taking my request, my boarding is on Sept 10 and please book my return ticket on Sept 12.

ASSISTANT: May I know your connection limit?

USER: Sure, I will prefer single connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Your good name please.

USER: Sure, my name is Michelle Hall.

ASSISTANT: We found an airline: Delta, flight number: 1003 and price is 700 with one connection.

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.

USER: Welcome.