You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to book a flight from DEN to attend a meeting with client at SEA. Can you help me?

ASSISTANT: Sure, I am here to help you with that, can I know your good name to proceed further?

USER: My name is Frank Martin.

ASSISTANT: Sure, when are you planning to start and return on?

USER: I will start my journey on Aug 11 and return on Aug 13.

ASSISTANT: Is there any other specifications regarding your journey?

USER: Please book my depart flight in afternoon.

ASSISTANT: Any more requirements?

USER: I also want a connecting flight.

ASSISTANT: Thank you for your details, we do not found any flights running your preferred dates.

USER: Ok, thank you for the information.

ASSISTANT: Thanks for reaching us.