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

ASSISTANT: Hello, how may I provide service to you?

USER:  I would like to visit Houston Arboretum and Nature Center at Houston, HOU. Can you help me with booking a connecting flight ticket?

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: Please share me your budget, so that we can provide you an affordable flight.

USER: I can afford upto 5000 for a ticket.

ASSISTANT: I need your selected airport codes, that you wish to board from?

USER: My boarding point is MA - BOS.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My travelling dates are from 01/26 to 01/28.

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

USER: OK.

ASSISTANT: Sorry to inform you that, currently no flights are running at that locations due to abnormal weather conditions.

USER: No problem, I will try with another airline.

ASSISTANT: Thank you for availing us.

USER: Thank you for the information.