You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Orlando, can you please book me a ticket from SFO to MCO?

ASSISTANT: Sure, I am here to assist you. Can you please let me know your travel dates?

USER: I am planning to depart on Apr 02 and would like to return on Apr 04.

ASSISTANT: Ok, please wait for a while. I will check for the available flights and let you know.

USER: Sure, take your own time.

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

USER: Ok, not an issue. I will find any alternate for this trip.

ASSISTANT: May I know your name?

USER: My name is Mary Adams. Thank you for providing information.

ASSISTANT: Mary Adams, you are welcome and thank you for choosing us.