You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I need to travel from PHX to SFO, can you please help me in doing that?

ASSISTANT: Sure, can you mention your travel dates please?

USER: My journey dates are Apr 06 to 08.

ASSISTANT: May I know your good name?

USER: Christopher Smith here.

ASSISTANT: Let me know your connection limit.

USER: I need a direct flight.

ASSISTANT: Is there any other preferences?

USER: No.

ASSISTANT: Sorry, there are no flight services available on your required routes.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for reaching us.