You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Rachel Hall need to book a ticket to MCO from CLT, can you please help me in booking?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Kindly assign me your travel dates?

USER: My travel dates are from 05/20 to 05/22.

ASSISTANT: Do you need any flag stop in your journey?

USER: I need to a flag stop.

ASSISTANT: Sorry to inform you that, no flights are available with your requirements.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.