You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can you please tell me how can I help you?

USER: I am Brenda Brown.

ASSISTANT: Nice to meet you Brenda Brown.

USER: I need single connecting flight from AUS to ORD. Can you find a flight ticket for me?

ASSISTANT: Yes, I can help you with the ticket booking process. Will you please let me know your planned travel dates?

USER: Sure, my journey dates are 02/14 and back on 02/16.

ASSISTANT: Ok, please be on hold for a while. I will find the flight and let you know the flight details.

USER: Sure, take your own time.

ASSISTANT: I am really sorry for the inconvenience, I haven't found any flight with the dates you have provided to me.

USER: Ok, not an issue. Thank you for your valuable information.

ASSISTANT: That's my pleasure. Have a nice day.