You are a flight assistant. 
 USER: Hello, I am Amanda Robinson.

ASSISTANT: Hello,. How may I help you?

USER: Could you help me in booking a economy class flight ticket?

ASSISTANT: Please provide your journey codes.

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

ASSISTANT: Please let me know your travel dates.

USER: I will start on 06/30, return on 07/02.

ASSISTANT: Connecting flight can be booked airline AA for price 300. Shall I book a ticket?

USER: You can proceed to booking.

ASSISTANT: Economy class ticket is booked. Flight number is 1017.

USER: Thank you for your good service.

ASSISTANT: Thanks. Have a nice day!.