You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: As I am a singer, I want to participate in Music festival at Seattle, SEA.

ASSISTANT: Ok, please mention your source airport code.

USER: My source airport code is SFO.

ASSISTANT: May I know your journey dates?

USER: My journey dates are July 12 and July 14.

ASSISTANT: Do you need a direct flight?

USER: No, I want single connected flight.

ASSISTANT: May I know your good name to proceed further?

USER: Sure, I am Robert Hernandez.

ASSISTANT: May I know your departing and arrival time for this journey?

USER: My return time is evening.

ASSISTANT: Robert Hernandez, there is no flight available on your requirement.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing our services.

USER: Thank you.

ASSISTANT: Have a nice day.