You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Patricia Walker here. Can you make my flight ticket from OAK to DFW?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are from 07/03 to 07/05.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in Delta airline with price 100, can I book it?

USER: Please book my ticket.

ASSISTANT: Your ticket has been booked with flight number 1007.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.