You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kimberly Wilson here.

ASSISTANT: How can I help you now?

USER: I want to attend my colleague's ring ceremony, can you please search a flight with 1 connection?

ASSISTANT: Sure, I will search with that. Can you please provide me the travelling dates of your journey?

USER: I would like to start my journey on 03/11 and return will be on 03/13.

ASSISTANT: Ok, can you please mention the takeoff and landing airport codes of your journey?

USER: My travelling airport codes are from SFO to DEN.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time.

ASSISTANT: Sorry Kimberly, there are no flights found on your requested dates.

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

ASSISTANT: Thank you for approaching us, have a nice day.