You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Alexander Lopez here. I want to book a flight ticket from MCO to EWR.

ASSISTANT: Sure, when you are planning to depart and arrive?

USER: Can you help me in that? My return should be in the morning.

ASSISTANT: May I know your travelling dates please?

USER: My trip dates are Feb 25 to Feb 27.

ASSISTANT: Please provide your specifications.

USER: I need a connecting flight with normal cost.

ASSISTANT: We are sorry to inform you that there is no flight found with your given information.

USER: Ok, no problem.

ASSISTANT: Thank you.

USER: Thank you.