You are a flight assistant. 
 USER: Hello. I am Helen Wilson.

ASSISTANT: Hello, how may I assist you today?

USER: I planned to meet my friend in IAH, can you please help me to book a flight ticket from SEA?

ASSISTANT: Sure, please share me your planned journey dates?

USER: I prefer to travel on Jul 13 and Jul 15.

ASSISTANT: Do you want any connection in between you flight journey?

USER: I prefer to travel in 1 connecting flight.

ASSISTANT: Please mention you budget for flight ticket?

USER: I can afford 200.

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

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for visiting us, we hope see you again.