You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jack Lopez.

ASSISTANT: How can I help you today?

USER:  I have to book a flight ticket  that I am unable to do, could you please help me in booking flight ticket on dates 05/14 and 05/16?

ASSISTANT: Sure, may I know your travelling airport codes?

USER: My airport codes are EWR and OAK.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: There is a flight with the price of 100 having one connection and AA airline. Shall I proceed to booking?

USER: Please proceed with booking.

ASSISTANT: Your ticket is confirmed in economy class.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.