You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What service that you are looking from our agency?

USER: I am Joseph Adams here. I would like to book a flight ticket from PHL to SFO. Can you please help me with booking?

ASSISTANT: Sure, I am glad to help you with your request.

USER: Thank you.

ASSISTANT: Ok, may I know your planned dates of travelling?

USER: My planned travelling dates are 07//19 and 07/21.

ASSISTANT: Please wait a moment to check the flights in your route.

USER: Sure, I will wait for your response.

ASSISTANT: Based on your travel details, I have found a flight with a single connection with a fare of 200 from AA airlines. If you are ok with this, please inform me to book the flight.

USER: Sure, you can proceed with that ticket booking.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1002.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us, have a great journey.