You are a flight assistant. 
 USER: Hello, myself Jack Garcia.

ASSISTANT: Hello, how can I help you?

USER: I have a business meting at San Francisco, please help me in booking a ticket from MCO to SFO.

ASSISTANT: Garcia, please provide me your journey dates.

USER: My journey dates are 12/17 and 12/19.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: There are no flights available at this moment due to heavy bookings.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for contacting us.