You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: I am Jennifer Wright, can you help me to book a evening flight from BOS?

ASSISTANT: Ok, could you please share your departure and arrival day?

USER: My travelling dates are Jan 21 and 23.

ASSISTANT: Where you want to travel from?

USER: My destination airport code is IAH.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT:  We regret to inform you that there are no flights moving to your region with your planned dates of travelling with such a lay out.

USER: No issues, thank you for your time.

ASSISTANT: Welcome, have a nice day.