You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you for today?

USER: I am Michelle Green, I have a appointment to meet my doctor who is staying in  SEA, can you help in finding a flight for me from AUS?

ASSISTANT: Yes, I can help you. Could you share me your dates of travel?

USER: My date of travelling is on 05/13 to 05/15.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there is no flight found on your requested dates.

USER: That's ok. Thank you for your help.

ASSISTANT: Thank you for consulting us.