You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: James Clark here.

ASSISTANT: Ok.

USER: I would like to visit LGA to meet my sister, can you help me to book a flight ticket from IAH?

ASSISTANT: Sure, we are perky to help you. Do you prefer any halt in between your journey?

USER: Yes, I need a connecting flight.

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

USER: My travelling dates are 15 and 17 of Nov.

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

USER: Sure, take your own time.

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

USER: That's ok, thank you for giving information.

ASSISTANT: Thank you for choosing us.