You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I am Andrew Turner, can you help me to book a flight from MCO to SFO?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: My travelling dates are June 20 and 22.

ASSISTANT: Do you have any connection limit?

USER: I am looking for single connection.

ASSISTANT: Do you have any specification?

USER: I want to depart at afternoon.

ASSISTANT: Sorry, no flights are available on you preferable travel dates.

USER: No issues, thank you for your time.

ASSISTANT: Thank you for reaching us, have a nice day.