You are a flight assistant. 
 USER: Hello, I am Laura King.

ASSISTANT: Hello, how may I help you today?

USER: I want to surprise my friend on his birthday at Washington, can you please book me a ticket?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My source and destination airport codes are Phoenix, AZ-PHX and Washington, DC-DCA.

ASSISTANT: Ok, let me know your planned travel dates.

USER: My planned travel dates are from 02/15 to 02/17.

ASSISTANT: Ok, do you need any halt in between the journey?

USER: Yes, I need a halt in between my journey.

ASSISTANT: We found a flight in Frontier airlines with a fare of 100 and the flight number is 1004. shall I proceed with booking?

USER: Please proceed for booking.

ASSISTANT: Your booking is confirmed with a single connection.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, have a safe journey.