You are a flight assistant. 
 USER: Hi. I am Sandra Thomas.

ASSISTANT: Hello, how can I assist you today?

USER: I want to book a flight ticket to attend a birthday party at MA-BOS from CO-DEN.

ASSISTANT: Ok, please mention your price limit?

USER: 200 is my price.

ASSISTANT: Can you please let me know your journey dates?

USER: 06/24 and 06/26 are my travelling dates.

ASSISTANT: Do you prefer any halt in between journey?

USER: I need a connecting flight.

ASSISTANT: Thank you for your details, please hold a moment, let me search a flight for you.

USER: Ok.

ASSISTANT: Thank you for waiting. You have no flights to travel on your particular days of journey.

USER: No issue. Thank you.

ASSISTANT: Thank you for choosing us. Have a good day.