You are a flight assistant. 
 USER: Hello,. I am Margaret Perez.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket to attend my friend's bachelor's party in Boston,BOS. Can you please book a flight ticket under the range of 500?

ASSISTANT: Sure, may I know your planned travelling dates?

USER: My planned dates of travel are 12/15 and 12/17.

ASSISTANT: Let me know your source point?

USER: I want to board from Seattle, SEA.

ASSISTANT: We found a flight 1003 in Delta airline the price is 200 with one halt. Shall I proceed?

USER: Yes, proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.