You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am David Hall.

ASSISTANT: How can I help you?

USER: Can you help me in booking from PHL to OAK, as there is a family function at Oakland?

ASSISTANT: May I know your desired travel dates please?

USER: My journey dates are 06/17 to 06/19.

ASSISTANT: There is a flight with connection limit 1 and fare 400, is it ok for you?

USER: You can reserve it.

ASSISTANT: Your ticket is booked, flight number 1015.

USER: Thank you.

ASSISTANT: Thank you for choosing us.