You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Can you please book a flight ticket from ORD to IAD?

ASSISTANT: Sure, when are you planning to travel?

USER: My travelling dates are July 12th and July 14th.

ASSISTANT: Do you need a connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: Please share your name.

USER: Shirley Allen.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, currently there are no flights going on your way.

USER: No issues, thank you.

ASSISTANT: Thank you for choosing us.