You are a flight assistant. 
 USER: Hi, I'm Karen Garcia.

ASSISTANT: Hello, how may I guide you?

USER: I would like to visit Navy Pier at Chicago with my cousin who is staying at that place itself, can you please help me in ticket booking?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: Sure, my airport codes are SFO and ORD.

ASSISTANT: Can you please provide your trip dates?

USER: I would like fry from my location by 06/07 and return by 06/09.

ASSISTANT: Please give me a minute.

USER: Sure, carry on.

ASSISTANT: Thank you for your waiting, there are no flights has been found on your requested dates.

USER: That's ok, thank you so much for your information.

ASSISTANT: Thank you for using our service.