You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I would like to book a ticket from PHL to SFO, can you please help me out?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: I am travelling on these dates April 24th and 26th.

ASSISTANT: Ok, please let me know your good name to proceed further.

USER: Nicole Miller here.

ASSISTANT: Do you have any specifications to get best flight for you?

USER: I need single connected flight. I don't have any other preferences.

ASSISTANT: UA airlines running a flight in your route with connection  1 and the ticket fare is 100 in economy class. Shall I proceed with booking?

USER: Ok, you can proceed with this flight.

ASSISTANT: Ok Nicole Miller, your ticket booking has done and the flight number is 1022.

USER: Thank you for your services.

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