You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I help you?

USER: I am Christine Clark.

ASSISTANT: Ok.

USER: I need to fly from LGA to MCO, can you please book a flight ticket?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My trip dates are 02/22 to 02/24.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to inform no flights found with your details.

USER: Ok, not an issue.

ASSISTANT: Thank you, have a nice day.

USER: Thank you for your information.