You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Rachel Turner.

ASSISTANT: How can I assist you?

USER: I want to go for an industrial tour conducting by our college management, can you please book me a ticket from LAX to CLT?

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are 04/26 to 04/28.

ASSISTANT: Sorry, no flights found.

USER: No issue, thank you.

ASSISTANT: Thank you for reaching us.