You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Gary Hernandez. With my friend suggestion I want to travel from SFO to ORD locations, can you please reserve a flight ticket for my trip?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Ok, please book on 05/01 and the return ticket on 05/03 dates. Make sure that I need a direct flight to my trip.

ASSISTANT: Sorry for the inconvenience, there is no flight available on your requested dates.

USER: It's ok, I'll try for some other source to complete my trip. Anyways, thank you for the information.

ASSISTANT: Thank you for approaching us.