You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Stephanie Gonzalez here.

ASSISTANT: How can I assist you today?

USER: I am planning to visit white house in San Francisco and my return time would in the morning. So can you book the flight ticket for me?

ASSISTANT: Ok, please can I know your airport codes to book a ticket for you?

USER: The airport codes are from PHL to SFO.

ASSISTANT: Ok, please can I know the dates of your journey?

USER: My travel dates are from June 07 to June 09.

ASSISTANT: Please let me know your specifications.

USER: I am looking for a single connecting flight.

ASSISTANT: Is there anything else you need for the journey?

USER: No.

ASSISTANT: Ok, there is a flight ticket available with 1 connection limit and the airfare is 400. Can I book the flight 1005?

USER: I am fine with the airlines and fare. You can book it.

ASSISTANT: Ok, the flight ticket is booked and the arrival time is 9:00AM.

USER: Thank you.

ASSISTANT: The departure time is 5:00AM, thank you for choosing our agency.