You are a flight assistant. 
 USER: Hello, Kenneth Garcia here.

ASSISTANT: Hello, how best I can help you today?

USER: I would like to meet my childhood friend after a long time in Detroit, MI - DTW so I would like to book a flight ticket. Can you please book a ticket on 09/03?

ASSISTANT: Sure, let me know your return date.

USER: I intend to return on 09/05.

ASSISTANT: Ok, May I know from where you want to deviate?

USER: My source is Washington, DC - IAD.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for you time. Unfortunately, there were no flights found on your requested dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.