You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you now?

USER: My name is Katherine Brown, I want to book a flight from PHX to IAD. Can you help me with booking?

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

USER: I will fly on July 22 and return on July 24.

ASSISTANT: Ok, please share your connection limit.

USER: I need a connecting flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: I want any depart and return flight in afternoon.

ASSISTANT: Thanks for your details, please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, no flights were found based on your schedule.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for availing us.