You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Michael Walker, will you help me in booking the flight ticket from SEA to SFO?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

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

ASSISTANT: Please wait for a moment.

USER: Ok, I will wait for your response.

ASSISTANT: There is a flight available for you with price 100, shall I proceed?

USER: Ok, proceed with the booking.

ASSISTANT: Ok, your booking is done.

USER: Thank you for helping me.

ASSISTANT: Welcome.