You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I address you?

USER: Please assist me in booking a flight ticket from ORD to IAD.

ASSISTANT: Sure, on what dates are you planning to travel?

USER: My travelling dates are from Dec 25th to Dec 27th.

ASSISTANT: How many connections do you need?

USER: I want a single connection in between my journey.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: Please forward your name.

USER: I am Deborah Hill.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, there are no flights going on your way at this moment.

USER: No issues, thank you.

ASSISTANT: Thank you for choosing us.