You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Kimberly Hernandez.

ASSISTANT:  How can I assist you?

USER: I am planning to attend music concert at Seattle, can you please help me with booking a flight ticket?

ASSISTANT:  Sure, provide me your travelling dates?

USER: Sure, I would like to take off on 02/21 and return back on 01/23.

ASSISTANT: Help me with your airport codes?

USER: My source airport code is DEN and the destination airport code is SEA.

ASSISTANT: OK, please wait.

USER: I need a flight with 0 connection.

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

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.