Hello.
user
Hello, can you please tell me how may I help you?
assistant
I am Brian Smith, can you help me to book a flight ticket?
user
Can you please tell me your location codes for your journey?
assistant
Sure, I am happy to travel from AUS to EWR.
user
Can you please provide me your travelling dates?
assistant
I am planning to travel on 01/23 and 01/25. Did you find any flight?
user
Sorry to say,  there is no flight ticket found on your dates.
assistant
Oh! that is fine. Thank you for your help.
user
Thank you for contacting us.
assistant