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

ASSISTANT: Hello, how may I serve you today?

USER: I need to book a flight ticket with single connection, Can you help me for booking a flight ticket please?

ASSISTANT: Sure, could you please provide me your travelling dates?

USER: I would like to travel on 09/01 to arrival on 09/03.

ASSISTANT: May I know your preferable airport codes?

USER: My source point is NY-EWR to destination point is CA-LAX.

ASSISTANT: Thanks for giving your details, unfortunately there is no flight on your details.

USER: Ok, no issues.

ASSISTANT: Thank you so much for choosing us.

USER: Thanks for your information.

ASSISTANT: Have a nice day.