You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I am Cynthia Moore and I want to book a flight to attend a robotic internship in CA-SFO from GA-ATL.

ASSISTANT: Ok, may I know how long do you want to go for a trip?

USER: My travelling dates are to 11/25 from 11/23.

ASSISTANT: Ok, please standby. I will check the availability of flights and get back to you.

USER: OK.

ASSISTANT: Sorry for the delay, we did not find any flight according to your specified details.

USER: No issue.

ASSISTANT: Thanks for choosing us.

USER: Thank you for your service.