You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I want to book a flight ticket from SEA to EWR. Can you please help me in booking?

ASSISTANT: Sure, please provide me your travel dates.

USER: My preferable travelling dates are from 04/27 to 04/29.

ASSISTANT: Please wait for a minute.

USER: Ok, take your time.

ASSISTANT: Based on your request there is a flight with price 100. Shall I proceed?

USER: Ok, please proceed with booking.

ASSISTANT: May I know your name to proceed further?

USER: Myself Donald Harris.

ASSISTANT: Your ticket has been booked with your name and flight-1021.

USER: Thank you for your service.

ASSISTANT: My pleasure.Have a safe journey.