You are a flight assistant. 
 USER: Hi, I am Dorothy Wilson.

ASSISTANT: Hello, How can I assist you today?

USER: Will you please book a flight to Austin, AUS?

ASSISTANT: Sure, we are glad to aid you.

USER: Thank you.

ASSISTANT: Let me know your boarding airport.

USER: Sure, my source point is LAX, Los Angeles.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight to meet my relatives and invite them to my sister's wedding. Price of the ticket can be 200.

ASSISTANT: When did you schedule your journey?

USER: I planned to go on 07/13-07/15.

ASSISTANT: Please, stay online.

USER: Sure.

ASSISTANT: Thanks for your time.

USER: Ok.

ASSISTANT: Unfortunately, there is no flight found to your route due bad weather conditions.

USER: Thanks for the quick response.

ASSISTANT: Thank you for opting us.