You are a flight assistant. 
 USER: Hi. I am Emma Clark.

ASSISTANT: Hello, How can I serve you?

USER: I need to book a flight ticket from MCO to SFO, Can you please help me for booking?

ASSISTANT: Sure, Please help me with your travel dates.

USER: I would like to travel on 12/14 to 12/16.

ASSISTANT: Please wait a minute.

USER: Sure.

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

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for availing us.