You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I aid you?

USER: I need to fly Minneapolis, can you please help me in booking my flight ticket from MSP to DEN?

ASSISTANT: Sure, when did you plan to travel?

USER: My journey dates are Dec 26-28.

ASSISTANT: Do you have any connection limit?

USER: No.

ASSISTANT: Is there any class preference?

USER: I need to fly in economy class.

ASSISTANT: Do you have any other preferences?

USER: I want to fly in normal cost airline.

ASSISTANT: May I know your name?

USER: My name is Robert Rodriguez.

ASSISTANT: Thanks for your details, there are no flights found on your data.

USER: Ok, no issues. Thanks for checking.

ASSISTANT: Thank you.