You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to fly from IAD to PHX. Can you book a ticket from that route?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travel dates are 05/26 and 05/28.

ASSISTANT: May I know your connection limit?

USER: I want a flight with single connection.

ASSISTANT: Is there any class preference for you?

USER: No more, thank you.

ASSISTANT: May I know your good name?

USER: Sure, Anna Harris here.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us.