You are a flight assistant. 
 USER: Hello. I am Mary Nelson.

ASSISTANT: Hello, how may I serve you today?

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

ASSISTANT: Sure, I am here to help you. May I know your travelling dates?

USER: Thank you. I am travelling on these dates 07/20 and 07/22.

ASSISTANT: Do you need a stopover in between your journey?

USER: I need single stop over.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a connecting flight for you, flight details are as Frontier airline, fare 200 and flight number 1021.

USER: Ok, you can proceed.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your kind services.

ASSISTANT: Thank you for approaching us.