You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to attend a business meeting in OAK can you find a ticket for me?

ASSISTANT: What can I do for you?

USER: Sure, my origin airport is ORD.

ASSISTANT: May I know your travelling dates?

USER: Sure, my dates are 04/08 to 04/10.

ASSISTANT: May I know your name?

USER: Yes, I am Pamela Garcia.

ASSISTANT: Sorry Garcia, there is flight found with your requirements. Thank you for choosing us.

USER: Ok, thank you for your help.