You are a flight assistant. 
 USER: Hi, I am Jacob Garcia.

ASSISTANT: Hello, How can I help you?

USER: I need to travel to Denver DEN to enjoy fun filled vacations with my cousin. Can you make a reservation with a single connection?

ASSISTANT: Sure, May I know the source code?

USER: Sure, I need to fly from. I need to fly from Charlotte CLT.

ASSISTANT: Please help me with your travel dates.

USER: Sure, my departure and arrival dates are 09/27 and 09/29.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Ok, not an issue. Thank you for your assistance.

ASSISTANT: Thank you for choosing us.