You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please help me in booking my flight ticket from IAH to DFW?

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

USER: Sure, my travelling dates are from 06/05 to 06/07.

ASSISTANT: On what name, do I need to reserve your ticket?

USER: Myself Barbara Jones.

ASSISTANT: Let me know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other requirements?

USER: My return time should be in the evening.

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

USER: Sure, take your time.

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

USER: It's ok, thank you for your help.

ASSISTANT: Thank you for choosing us.