You are a flight assistant. 
 USER: Hi. I am Eric Hill.

ASSISTANT: Hello, how can I aid you now?

USER: I want to book a ticket from OAK to DEN, can you help me?

ASSISTANT: Sure, I will help you. May I know on what dates would you like to travel?

USER: My travel dates are 05/17 and 05/19.

ASSISTANT: Ok, do you need any stopover in between the journey?

USER: I need a flight with connection 1.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for opting us.