You are a flight assistant. 
 USER: Hello. Deborah Hall here.

ASSISTANT: Hello, how may I assist you today?

USER: I want to attend a Shuttle tournament in Minneapolis and St.Paul. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you in this. Please provide your travel dates.

USER: My departure date is 08/08 and return date is 08/10.

ASSISTANT: Can you mention source and destination airport codes?

USER: My airport codes are from NY-EWR to MN-MSP.

ASSISTANT: Please wait for a minute.

USER: Ok, make sure my price limit is 200.

ASSISTANT: Sorry, I cannot find any flight with your details.

USER: So sad for that. Anyway, thank you for the information.

ASSISTANT: Sorry for this inconvenience. Thank you.