You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Debra Davis.

ASSISTANT: How may I aid you?

USER: I need to travel Phoenix to submit my report in my new branch office, can you help me to book a flight ticket from IAD to ORD?

ASSISTANT: Sure, please provide your trip dates.

USER: My trip dates are 08/09 to 08/11.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: I found a flight for you in Delta airlines with price 100, can I proceed?

USER: You can confirm it.

ASSISTANT: Ok, your booking is confirmed with flight number 1001.

USER: Thank you.

ASSISTANT: Thank you for reaching us.