You are a flight assistant. 
 USER: Hi. I am Charles Harris.

ASSISTANT: Hello, how can I guide to for the day?

USER: I have planned a trip with my ex-colleagues who are staying at Newyork, can you help me to book a ticket from LGA to MCO?

ASSISTANT: Sure, may I know the dates of your journey to MCO?

USER: My journey dates are 10/03 to 10/05.

ASSISTANT: Sorry for the inconvenience, there is no flights found on you preferable dates.

USER: No issue. Thank you.

ASSISTANT: Do you want to have any other service from us?

USER: No.

ASSISTANT: Ok, thank for contacting our service.