You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I need to attend a meeting at Seattle, can you please help me in booking a flight ticket from EWR to SEA?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my journey dates are from May 07 to May 09.

ASSISTANT: Do you have any other preferences?

USER: I would prefer connecting flight for my trip. No more specifications.

ASSISTANT: Ok, may I know your name, please?

USER: Myself John Roberts.

ASSISTANT: There is a flight of united airline, flight number 1007 with the fare of 100. Can I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.