You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Frank Hall.

ASSISTANT: How can I help you today?

USER: I would like to book a ticket from PHX to SEA, can you please help me out?

ASSISTANT: Sure, we are here to make your journey comfort. Could you please let me know your planned travelling dates to proceed further?

USER: I am travelling on these dates Aug 10th and 12th.

ASSISTANT: Do you need a lay by in between your journey?

USER: I need a single connected flight.

ASSISTANT: May I know your depart and return timings?

USER: I prefer return time in the evening.

ASSISTANT: Is there any other specifications?

USER: I don't have any other specifications?

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, unfortunately there are no flights found with your essential details.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for approaching us.