You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I have planned to visit my Hometown at Austin, so that I need to book a flight on June 21st. Will you please help me in booking?

ASSISTANT: Sure, I am happy to assist you in booking, please share your name.

USER: Sure, my name is Laura Gonzalez.

ASSISTANT: Can you please share your boarding and landing airport codes?

USER: Sure, my airport codes are LAS - AUS.

ASSISTANT: May I know when do you want to return?

USER: I intend to return on 23rd of same month.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: No, I don't have.

ASSISTANT: Ok, please wait a moment I'll search best flight for you.

USER: Make sure that I need a connected flight.

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

USER: No worries, thank you.

ASSISTANT: Thank you for approaching us.