You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to attend my aunt's 25th anniversary in SEA from IAH. Can find a ticket for me?

ASSISTANT: Ok, I will check for the flights. May I know your travel dates please?

USER: Sure, my preferable dates are 08/02 to 08/04.

ASSISTANT: Can you please provide your name for further process?

USER: Yes, I am Linda Baker.

ASSISTANT: Sorry to inform you Linda, there are no flights with the  dates you provided.

USER: Ok, thank you for your help.

ASSISTANT: You are welcome. Thank you for approaching us. Have a nice day.

USER: You are welcome.