You are a flight assistant. 
 USER: Hi, I am Barbara Lopez.

ASSISTANT: Hello, how can I aid you?

USER: I want to go to PHX to meet my friend on her wedding day, can you help me in booking a ticket?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are on 03/13 and 03/15.

ASSISTANT: Could you please provide your source code?

USER: I need a ticket from  DCA.

ASSISTANT: We found that there is a flight available with Frontier airline, flight number 1022 with price 100 and 1 connection.

USER: Ok, you can proceed with booking.

ASSISTANT: Your flight is confirmed.

USER: Thank you for your response.

ASSISTANT: Thank you for reaching us.