You are a flight assistant. 
 USER: Hello. I am Timothy Jackson.

ASSISTANT: Hello, how can I help you today?

USER: I would like to attend a funfair at Boston with my friends, can you please help me in reservation?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: My source is at Dallas, TX-DFW and destination is at Boston, MA-BOS.

ASSISTANT: Could you please provide me your travel dates?

USER: I would like to travel on 09/23 and need to return on 09/25.

ASSISTANT: May I know your price limit?

USER: I can afford upto 500.

ASSISTANT: Do you want connecting flight?

USER: Yes, I want a connecting a flight.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, no connecting flights available with your given details.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for choosing us.