You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I planned to meet my cousin in MSP, can you please help me to book a flight ticket from LGA?

ASSISTANT: Sure, can you share me your trip dates?

USER: I prefer to travel on Dec 30 and Jan 01.

ASSISTANT: Do you have any class preference?

USER: I prefer to travel in economy class.

ASSISTANT: Please let me know if you have any other specifications.

USER: I would like to depart in morning.

ASSISTANT: May I know your good name?

USER: I am Donna Gonzalez.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.