You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I render you today?

USER: I am Rachel Thompson. I want to book a flight ticket to Washington to vist White House. Please help me out.

ASSISTANT: Sure, I am here to help you. Will you please mention the travel dates?

USER: My travelling dates are from 08/27 to 08/29.

ASSISTANT: Ok. Do you need a connecting flight?

USER: I need a single connection within my journey.

ASSISTANT: Ok. Can you mention your airport codes?

USER: I want to fly from IAD to IAD.

ASSISTANT: Please hold on for a while. Thanks for your time.

USER: Ok.

ASSISTANT: You have a flight AA airline, 1004 flight number. Shall I proceed to book?

USER: Please go with booking.

ASSISTANT: Your reservation is done.

USER: Thank you for your service.

ASSISTANT: Thank you.