You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to visit Space Needle at Seattle, please help me in booking a ticket.

ASSISTANT: Sure, I will help you in booking the ticket.

USER: Thank you.

ASSISTANT: May I know your name please? Can I know your travelling dates please?

USER: My name is Charles Collins. My travelling dates are 02/10 and 02/12.

ASSISTANT: May I know your airport codes please?

USER: My airport codes are EWR and SEA.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed with this flight?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing our services.