You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Angela Wright from Austin.

ASSISTANT: What kind of assistance are you looking from our agency?

USER:  I would like to visit San Francisco for my business conference, can you please help me out with booking of a flight ticket to go there in the 11th month?

ASSISTANT: Sure, I am mirthful to help you.

USER: Thank you for accepting my request.

ASSISTANT: Please provide your preferable origin and destination airport codes for booking.

USER: I would like to fly from AUS airport and destination airport is SFO because these two airports are very convenient for me to travel.

ASSISTANT: May I know your departure and return dates of travelling?

USER: Sorry I changed my traveling month, please find a flight in the 10th month, that is 10/06 to 10/08.

ASSISTANT: Please wait a moment to check the flights availability in your planned route and I will revert back with a best flight for you.

USER: Ok, take your time.

ASSISTANT: When I have checked with your details, there are no flights moving to your region because all the flights are busy in your route due to heavy crowd.

USER: Oh! It's ok no problem, I will go with another airline service.

ASSISTANT: It's alright.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us, have a great day.