You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Matthew Williams.

ASSISTANT: Nice to meet you.

USER: I want to reserve my flight ticket. Can you please help me in booking?

ASSISTANT: Sure, can I know your preferable dates?

USER: My travelling dates are 12/14 and 12/16.

ASSISTANT: Ok, may I know your nearest source airport code and destination airport code?

USER: Sure, I want to start my journey from PHX to DCA.

ASSISTANT: I found a flights from UA airline and flight number is 1023 with 1 connection. Shall I proceed?

USER: It's perfect, you can proceed with that booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.