You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please assist me to book a flight from SFO to MCO to meet my family?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: I have planned to travel on July 25th and return on July 27th.

ASSISTANT: Do you have any class preference?

USER: I am ok with any class but I want normal cost airline serves.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: Connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name please?

USER: Myself Timothy Phillips.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.