You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER:  I would like to participate in a mobile food distribution event, will be conducted by soldiers at Seattle. Can you please help me in booking?

ASSISTANT: Sure, we are here to help you. When are you planning to travel?

USER: My planned dates of travel are from 07/25 to 07/27.

ASSISTANT: Please provide your airport codes.

USER: My source is at Orlando, FL-MCO. Destination is at Seattle, WA-SEA.

ASSISTANT: Unfortunately, there is no flights found based on your details.

USER: Ok, not an issue.

ASSISTANT: May I know your name?

USER: I am Thomas Robinson. Thank you for the information.

ASSISTANT: Thank you for choosing us.