You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Angela Collins. Please help me in booking my flight ticket from Seattle to Boston?

ASSISTANT: Sure, may I know your journey dates please?

USER: My travelling dates are 05/11 and 05/13.

ASSISTANT: Wait a moment please.

USER: Ok, sure.

ASSISTANT: May I know your nearest airport codes please?

USER: My nearest airport codes are SEA to BOS.

ASSISTANT: UA airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is booked with the flight-1003.

USER: Ok, thank you.

ASSISTANT: Thank you for approaching us.