You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I serve you?

USER: I need to travel from MCO to SFO, can you help me with that?

ASSISTANT: Sure, May I know the travelling dates?

USER: My trip dates are 01/06 and 01/08.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: I am Mary Green.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: That's ok. Thank you for your help.

ASSISTANT: Thank you for opting us.