You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you today?

USER: I would like to visit Taliesin West at Phoenix, AZ - PHX. Can you please book me a flight ticket from Washington, DC - DCA?

ASSISTANT: Sure, I am happy to help you. May I know your good name for further process?

USER: Mary Hall is my name.

ASSISTANT: Ok, Could you please provide your dates of travelling?

USER: 08/13 and 08/15 are my travelling dates.

ASSISTANT: Is there anything else that I can help you with?

USER: I need one connection with fare of 1000.

ASSISTANT: Ok, Please wait for few minutes. Thank you for waiting, We found a direct flight which does not matches your requirements.

USER: I need a connecting flight. Can you search once again with connection?

ASSISTANT:  Sorry there were no flights with single connection.

USER: Ok, no issues.

ASSISTANT: Thank you for approaching us.

USER: Thank for your service.