You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you now?

USER: I am Amy Nelson. I want to book a ticket from PHX to SEA, can you help me?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My travel dates are June 12 and 14.

ASSISTANT: Do you have any connection limit?

USER: I want direct flight in my journey.

ASSISTANT: May I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other specifications?

USER: I want to return in the evening.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, there are no flights found on your routes.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for reaching us.