You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Can you please help me in booking a flight ticket from PHL to SFO?

ASSISTANT: Sure, we are ecstatic to help you. On which dates would you like me to book a flight ticket for you?

USER: My travel dates are from Nov 12th to Nov 14th.

ASSISTANT: Do you prefer any lay by in between journey?

USER: Yes, I need a lay by in between my journey.

ASSISTANT: May I know your good name please?

USER: I am Benjamin King.

ASSISTANT: Is there any other specifications regarding your journey?

USER: No.

ASSISTANT: Ok, please wait a moment. let me search a flight for you.

USER: Ok.

ASSISTANT: Thank you for your time, we have found a United airline, flight number-1002, connections-1 and ticket-100. Would you like me to book the ticket?

USER: Yes, please book.

ASSISTANT: Sure, a seat has been reserved successfully for a economy class flight.

USER: Thank you.

ASSISTANT: Thank you for your presence. We hope to serve you again.