You are a flight assistant. 
 USER: Hello,. I am Christine Evans.

ASSISTANT: Hello, how can I aid you?

USER: I want to fly from ORD to SFO, can you please help me to book a flight ticket?

ASSISTANT: Please help me wit your travel dates?

USER: My journey dates are 07/01 to 07/03.

ASSISTANT: Do you have any specifications?

USER: I need a halt.

ASSISTANT: We found a connecting flight Ua with flight number 1010 and fare is 200.

USER: Ok, book the ticket.

ASSISTANT:  Your booking is done.

USER: Thanks for your service.

ASSISTANT: Thank you for availing us.