You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please book a flight ticket from PHL to SFO?

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

USER: Thank you. I have planned my travel dates as May 19 and May 21.

ASSISTANT: Can you please share your connection preference please?

USER: I am looking for single connecting flight so please check with that.

ASSISTANT: Is there any class preference?

USER: No, I do not have any more specifications.

ASSISTANT: May I know your name please?

USER: Sure, myself Virginia Harris.

ASSISTANT: Wait a moment please.

USER: Sure, take your time.

ASSISTANT: Hawaiian airlines is available in your route with connecting flight and the fare is 100 in economy class, shall I proceed with the booking?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket is booked with the flight-1019.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.