You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Betty Phillips.

ASSISTANT: How may I help you?

USER: I need to travel Los Angeles, can you please book flight ticket from MSP and LAX.

ASSISTANT: May I know your travel dates?

USER: My journey dates are 05/01 and 05/03.

ASSISTANT: Sorry for this inconvenience, I could not find any flight with your requirements.

USER: That's ok, I will choose any other source to travel my place.

ASSISTANT: Thank you for your help.