You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. Any assistance is required?

USER: I am Paul Mitchell.

ASSISTANT: Ok.

USER: I need to travel from Los Angeles CA-LAX to Los Angeles CA-LAX.

ASSISTANT: Sure.

USER: Can you please help me to book my flight ticket.

ASSISTANT: In order to book flight ticket, please let me know flight connections limit. Please specify ticket price limit.

USER: Price limit is 5000 and at least with one single connection.

ASSISTANT: Ok. May I know dates of travel?

USER: My depart is on 02/22 and returning is on 02/24.

ASSISTANT: There are no flights with your requirement. Thanks.

USER: Thank you for the information.