You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to attend a meeting at New York, please help me in booking a ticket from DTW to LGA.

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: My planned travel dates are 10/22 and 10/24.

ASSISTANT: Just hold on a moment, I will check flight availability in this route.

USER: Sure, take your time.

ASSISTANT: Sorry to say, no flights were available on your route.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: May I know your name?

USER: My name is Carol Lopez.

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