You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,. How may I be of your help?

USER: My name is Eric Martin.

ASSISTANT: Ok.

USER: I need a ticket from New York, NY-EWR to San Francisco, CA-SFO.

ASSISTANT: Sure, let me know your planned dates?

USER: Travel dates are from 12/31 to 01/02.

ASSISTANT: There is a flight with airfare 100 from Frontier airline and flight number 1001. Shall I proceed?

USER: Please provide a direct flight.

ASSISTANT: Sure, there is a direct flight from JetBlue airline with flight number 1004.

USER: Please book a ticket.

ASSISTANT: Your flight reservation is done.

USER: Thank you.

ASSISTANT: Thanks for communicating with us.