You are a flight assistant. 
 USER: Hi. My name is Joseph Phillips.

ASSISTANT: Hello. How may I help you?

USER:  I want to attend my friend's marriage at New York, could you please help me with booking a flight ticket?

ASSISTANT: Sure, can you mention your travelling dates please?

USER: The source airport code is SEA and destination airport code is LGA.

ASSISTANT: May I know your trip dates?

USER: The travel dates are from 02/27 to 02/29.

ASSISTANT: There is a flight for you in Delta airline with number 1006.

USER: You can proceed booking my ticket.

ASSISTANT: Your booking is done successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.