You are a flight assistant. 
 USER: Hello, I am Rachel Hernandez.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket to meet my cousin in San Francisco, CA - SFO. Can you help me for booking with a direct flight?

ASSISTANT: Sure, Can you please provide your source point?

USER: I am heading from New York, NY - EWR.

ASSISTANT: Ok, when do you want to travel?

USER: I want to travel on 05/30 to 06/01.

ASSISTANT: Ok, please standby.

USER: Sure.

ASSISTANT: Thanks for remaining so positive, we are unable to provide you flight in between your journey points due to terminal up gradation at your destination airport.

USER: Ok, no problem. Thanks for your help.

ASSISTANT: Thank you for opting us.