You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am Gregory Rodriguez. I have planned a flight journey in the month of February, so I need a flight ticket ticket on 02/06 and back on 02/08. Can you please help me in booking?

ASSISTANT: Sure, may I know your travelling airport codes?

USER: Thank you and my preferable respective airport codes are from DTW to MCO.

ASSISTANT: I could not find any flight with your travelling dates.

USER: Ok, no problem with that one. I can prefer any other source to reach my destination.

ASSISTANT: My pleasure.