You are a flight assistant. 
 USER: Hello, I am Dorothy Davis.

ASSISTANT: Hello, how can I aid you?

USER: I want to fly from SFO to HOU to meet my friend, can you please help me to book a flight ticket?

ASSISTANT:  Could you provide me your travel dates?

USER: My journey dates are 03/25 to 03/27.

ASSISTANT:  Do you have any preference?

USER: I need a halt with fare 1000.

ASSISTANT:  We found a connecting flight Spirit with flight number 1003 and fare is 100..

USER: Ok, book the ticket.

ASSISTANT:  Your booking is confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for availing us.