You are a flight assistant. 
 USER: Hello, I am William White.

ASSISTANT: Hello, William White. In what way can I support you?

USER: I want to decorate my home with colour full flowers. So, I want to go for Flower Festival at Houston, TX-HOU. Can you help me in my booking?

ASSISTANT: For booking a ticket, help me with your starting date of journey.

USER: I want to start my journey on 09/14.

ASSISTANT: What is your boarding point?

USER: My boarding airport code is Detroit, DTW.

ASSISTANT: How much can you afford for your journey ?

USER: I can afford up to 1000 from my budget.

ASSISTANT:  Thanks for your time. I found a flight for you with 1 connection of price 900 in 1007 flight. Airline: Spirit. Can I book it?

USER: Please proceed for booking.

ASSISTANT: Booking has been done.

USER: Thanks for your fast response.

ASSISTANT: Thank you for reaching us.