You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Patrick Lewis.

ASSISTANT: What can I do for you today?

USER: I want to book a direct flight from PHX to LAX, can you please help?

ASSISTANT: Sure, can you please share your travelling dates.

USER: I will board the flight on Oct 9th and will return back on Oct 11th.

ASSISTANT: Do you have any specific time preference for your journey?

USER: I want my return flight should be in the evening.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: There are no flights found on your requested dates.

USER: Not an issue, I will find an alternative to travel. Thank you for the information.

ASSISTANT: Thank you for reaching us.