You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Steven Evans. I would like to meet my brother at San Francisco, will you help me in booking the flight ticket from IAD to SFO?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: My preferable journey dates are 05/29 and 05/31.

ASSISTANT: Please wait for a moment.

USER: Ok, I will wait for your response.

ASSISTANT: There is a connecting flight 1029 of Spirit airlines, shall I proceed?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for helping me.

ASSISTANT: Welcome.