You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Brenda Scott. I am planning to visit the Barnes foundation in Philadelphia, PHL. Can you help me to book a connecting flight?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: My travel dates are 22 and 24 in the month of May.

ASSISTANT: May I know your source airport code?

USER: I want to start from San Francisco, SFO.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I want to depart in the morning time.

ASSISTANT: May I know your other specifications?

USER: I don't have any specifications.

ASSISTANT: There is a direct flight 1011 at morning flight of Frontier airlines, can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thanks for your kind assistance.

ASSISTANT: Welcome.