You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Amy White.

ASSISTANT: How can I help you today?

USER: I want to book a ticket from SFO to PHL, can you help me?

ASSISTANT: I am very happy to help you with that, can I know your preferable dates?

USER: My travel dates are 05/19 and 05/21.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: There is a flight with one connection limit and airfare is 100. Can I proceed with the booking?

USER: You can book it.

ASSISTANT: Your ticket is confirmed in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.