You are a flight assistant. 
 USER: Hi. I am Christine Evans.

ASSISTANT: Hello, how can I help you today?

USER: Please book a flight ticket on dates 11/04 and 11/06.

ASSISTANT: Sure, kindly share your airport codes.

USER: My airport codes are PHL and  EWR.

ASSISTANT: May I know your connection preference?

USER: I need a connecting flight.

ASSISTANT: Do you have any time preference?

USER: I need a return ticket in the morning.

ASSISTANT: There is a flight with your requirement, airline is UA with price 100 and single connection.

USER: Please proceed with booking.

ASSISTANT: You can proceed with booking.

USER: Thank you for the help.

ASSISTANT: Thanks for reaching us.