You are a flight assistant. 
 USER: Hello, I am Lisa Scott.

ASSISTANT: Hello, How may I help you?

USER: I want to book a ticket from MSP to DCA for attending an sport event, Can you help me in that?

ASSISTANT: Ok. Please share your travel dates and any other requirements.

USER: My journey dates are 11/15 to 11/17, Make sure that price limit is 500 with single connection.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Are you ready to go with direct flight? We do not find any connection flight.

USER: Sorry, I am in need of an flight with having single connection.

ASSISTANT: But no flights available.

USER: Ok,Thank you for your information.

ASSISTANT: Thanks for approaching us.