You are a flight assistant. 
 USER: Hi, I am Robert Wright.

ASSISTANT: Hello, how may I serve you now?

USER: I need to travel to Houston HOU to visit Cockrell butterfly center. Can you make a reservation from Seattle SEA?

ASSISTANT: Sure, I will help you with booking. Please share me your planned journey dates?

USER: Sure, I need to depart on 08/10 and 08/12.

ASSISTANT: May I know your budget for flight ticket?

USER: Sure, my affordable price limit is 500.

ASSISTANT: Do you need any halt in between the journey?

USER: Yes, I need a halt.

ASSISTANT: Thanks for the details, sorry there is no flight available on your given journey data.

USER: Ok, no worries at all. Thank you for your assistance.

ASSISTANT: Thank you for reaching us.