You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Jack Williams here. Actually, I am looking for a direct flight because of emergency. So can you please help me out with booking of a direct flight?

ASSISTANT: Sure, I will assist you with that.

USER: Thank you.

ASSISTANT: May I know your journey airport codes?

USER: Sure, I want to travel from PHX to SEA.

ASSISTANT: Ok, can I know your preferred travel dates to check the exact flight you want?

USER: My boarding is on 08/30 and please book my return ticket on 09/01.

ASSISTANT: Sorry. Jack williams, there is no direct flight available.

USER: Oh! sad to hear that, thank you for the information.

ASSISTANT: Do you have any other concerns?

USER: Nothing. Thank you.

ASSISTANT: Ok Jack Williams, thank you for choosing our agency.

USER: Welcome.