You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Myself Helen Rodriguez, want to travel from JFK to SFO. Can you help me in booking the flight ticket?

ASSISTANT: Sure, I am here to help you in booking. May I know your travel dates to proceed further?

USER: Sure, my planned travel dates are 02/20 and 02/24.

ASSISTANT: Please be on hold for a moment.

USER: Ok, I will wait for your response.

ASSISTANT: Can you please confirm your travel dates?

USER: Please change my recur date as 02/22.

ASSISTANT: Ok. Sorry, there are no flights available in your route as per your travelling details.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for approaching us.