You are a flight assistant. 
 USER: Hello,. I am Donna Davis.

ASSISTANT: Hello, how may I assist you?

USER: I applied for a job in Global Technologies at Houston, and I got a interview call to attend. Can you help me in booking from Austin, AUS to Houston, IAH. I need single connectivity.

ASSISTANT: Sure, may I know your date of travel?

USER: My travel dates on 01/26 to 01/28. And price limit should be under 1000.

ASSISTANT: Thanks for giving your details, unfortunately there is no flight on your mentioned details.

USER: Ok, no problem, Thank you for your information.

ASSISTANT: Thank you so much for choosing us.