You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Emily Thompson here. I am looking for a flight from IAH to LAX, to visit the Universal Studios Hollywood.

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, my journey dates are from 10/29 and 10/31.

ASSISTANT: Ok, please wait for a while.

USER: Sure, get back with good airlines.

ASSISTANT: Thank you for waiting. Sorry to say, there are no flights available for your desired dates.

USER: That's ok, not an issue. Thanks for checking.

ASSISTANT: Thank you for opting us.