You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to meet my friend at Phoenix, will you help me in booking the flight ticket from IAD to PHX?

ASSISTANT: Sure, We are here to help you. Can I know your travelling dates?

USER: My preferable journey dates are Mar 05 and Mar 07.

ASSISTANT: Do you need any break?

USER: I need a flight with single connection.

ASSISTANT: May I know your name?

USER: Myself Virginia Roberts.

ASSISTANT: Give me a minute.

USER: I would like to depart in afternoon time.

ASSISTANT: Ok. Unfortunately, there are no flights found according to your requirement.

USER: Ok, not an issue. Thank you for yuor information.

ASSISTANT: Thank you for reaching us.