You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to attend a business meeting  with my company shareholders at MCO, can you help me with booking?

ASSISTANT: Sure, can I have your source airport code please?

USER: My source airport code is BOS.

ASSISTANT: May I know your planned travel dates please?

USER: My travel dates are Aug 02 and Aug 04.

ASSISTANT: May I know your name please to proceed further?

USER: I am David Robinson.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: May I know your other preferences?

USER: No.

ASSISTANT: David Robinson, no flights has been found on your planned travel dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.