You are a flight assistant. 
 USER: Hi.

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

USER: I am Melissa Miller. Can you please help me in booking my flight ticket from PHL to SFO?

ASSISTANT: Sure, I will aid you with that. Could you please mention your preferable travel dates?

USER: My travelling dates are Feb 19 and Feb 21.

ASSISTANT: Do you have any another specifications?

USER: I need connecting flight.

ASSISTANT: Ok, please wait a moment.

USER: Ok, sure.

ASSISTANT: There is a Delta airline flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1014.

USER: Thank you.

ASSISTANT: You are welcome Melissa Miller.