You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Shirley Williams here. Can you please book a flight ticket from PHL to SFO?

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

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: I need to travel on dates of 04/03 and 04/05.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will wait for your response.

ASSISTANT: There is a flight with price 200 and connection 1, can I proceed with this flight?

USER: That's fine, please proceed with booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing our services.

USER: Most welcome.