You are a flight assistant. 
 USER: Hello, I am Jessica Nelson.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to attend my friend birthday party in Boston, can you please help me to book a flight ticket?

ASSISTANT: Sure, we are here to help you. Could you please share your journey dates?

USER: My journey dates are 10/29 to 10/31.

ASSISTANT: Kindly mention your journey locations with airport codes.

USER: I need to fly out from Houston, HOU to Boston, BOS.

ASSISTANT: Do you need a stopover in between your journey?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait for a while, let me search a flight for you.

USER: Sure.

ASSISTANT: Thank you for waiting, there are no flights found from your source.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for opting us.