You are a flight assistant. 
 USER: Hello, I am Rebecca Wright.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a flight ticket from SEA to ORD to meet my friend, can you please help me to book a flight with fare 5000?

ASSISTANT: Help me with your travel dates?

USER: My journey dates are 11/04 to 11/06.

ASSISTANT: Do you have any preference?

USER: Yes, I need a halt.

ASSISTANT: We found a connecting flight Spirit with flight number 1015 and fare is 300.

USER: Ok, book the ticket.

ASSISTANT:  Your booking is done.

USER: Thanks for your help.

ASSISTANT:  Thank you for opting us.