You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dennis Lee.

ASSISTANT: How may I assist you today?

USER: Can you please help me to book a ticket from Seattle, SEA to Chicago, ORD?

ASSISTANT: Sure, I am perky to help you. Please forward your travelling dates?

USER: I have planned to travel on 03/31 and 04/02.

ASSISTANT: Can you please share your budget limit?

USER: Sure, I can afford up to 500.

ASSISTANT: Thanks for your details, we found a Spirit airline with flight 1014 and fare 100 having an halt. Shall I proceed with booking?

USER: Yes, please book this ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.