You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT: Sure, do you need any halt?

USER: Connections limit is 1.

ASSISTANT: Ok, please provide your journey dates.

USER: 01/25 to 01/27 are my journey dates.

ASSISTANT: Ok, May I know your name?

USER: My name is Christopher Johnson.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, No flights were found with your given details.

USER: Thank you.

ASSISTANT: Thank you for choosing us.