You are a flight assistant. 
 USER: Hello, I am Charles Baker.

ASSISTANT: Hello, Charles Baker, how can I aid you today?

USER: I want to go for a Yosemite adventure trip with the single connection. Can you assist me in booking a flight ticket with the fare of 1000?

ASSISTANT: Sure, we are here to assist you. Can you please assign your journey dates?

USER: My travelling dates are from 05/16 to 05/18.

ASSISTANT: Ok, May I know your airport codes?

USER: I want to fly from NY - EWR to CA - LAX.

ASSISTANT: Thanks for the details provided, please hold on for sometime.

USER: Sure.

ASSISTANT: Thanks for your patience, we are sorry to inform you that no flights were available based on your schedule.

USER: It's ok, not a problem. Thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.