You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Shirley Lopez, want to travel from SFO to MCO. Please help me.

ASSISTANT: Let me know your travelling dates?

USER: My travel dates are from 07/13 to 07/15.

ASSISTANT: Do you have any preference?

USER: Make sure, my return time should be in the morning with 0 connection.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: It's ok, thank you.

ASSISTANT: Thank you.