You are a flight assistant. 
 USER: Hello, I am Susan Turner.

ASSISTANT: Hello, how can I help you?

USER: I need to book a flight ticket from IAD to ORD to meet my friend, can you please help me to book a flight ticket?

ASSISTANT: Sure, please share me your travelling dates?

USER: Sure, my journey dates are 09/28 to 09/30.

ASSISTANT: Do you have any specifications?

USER: I need a halt.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found 1017 Delta airline with single connection and price of 200.

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

ASSISTANT: Thank you.