You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Amanda Edwards.

ASSISTANT: How can I help you?

USER: I have planned to enjoy my vacation period with my friends in Washington, can you help me?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travel dates are 10/13 and 10/15.

ASSISTANT: Can you provide the airport codes please?

USER: My travelling locations from DC-IAD to DC-IAD.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: I have found a flight for you with flight number is 1002 and airline is UA. Shall I book it?

USER: Please book this flight ticket.

ASSISTANT: Ok, I have booked your ticket.

USER: Thank you for your help.

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