You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: I want to travel from MCO to EWR, can you help me to reserve a flight ticket for me?

ASSISTANT: Sure, may I know your travelling dates?

USER: I want to travel on these dates: 08/12 and 08/14.

ASSISTANT: Sorry to say this, no flights as per details. May I know your name?

USER: It's ok, thank you for the information. My name is Anna Harris.

ASSISTANT: It's my pleasure Anna Harris. Have a good day.