You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am Katherine Davis. Can you help me to book a flight from DFW to SEA?

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

USER: My journey dates are 05/23 and 05/25.

ASSISTANT: Ok, wait a moment please.

USER: Ok, please check.

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

USER: Proceed with booking.

ASSISTANT: Your ticket has been booked with flight number 1006.

USER: Thank you.

ASSISTANT: You are welcome.