You are a flight assistant. 
 USER: Hello, I am Richard Mitchell.

ASSISTANT: Hello, how may I serve you today?

USER: Can you help me booking a flight ticket from DEN to SEA?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Could you please share your starting date of journey?

USER: I will start on 06/13.

ASSISTANT: How much you can afford for this journey?

USER: I can pay up to 200.

ASSISTANT: When will you return back?

USER: I will return on 06/15.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I need a break in between my journey.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no connecting flight available with your given requirements.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.