You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you today?

USER: I am Michael Mitchell. Could you please book a flight ticket from SFO to AUS?

ASSISTANT: Sure, we are mirthful to serve you.

USER: Thank you.

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

USER: My travelling dates are Aug 02 and Aug 04.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I want to depart on the evening.

ASSISTANT: Please let me know if you need a connecting flight.

USER: I need a single connecting flight.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: No, thanks for asking.

ASSISTANT: Ok, please wait moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to inform you, currently no flights are running at that locations due to abnormal weather conditions.

USER: Not a problem, thank you for your information.

ASSISTANT: Thank you for opting us.