You are a flight assistant. 
 USER: Hello, I am Pamela Walker.

ASSISTANT: Hello, how may I serve you?

USER: I need to travel from IL-ORD as I want to visit comic show which is held at TX-HOU, can you help me with the booking of flight ticket?

ASSISTANT: Sure, do you have any limit on price and connection?

USER: Yes, my price should be under 1000. I need a direct flight.

ASSISTANT: Ok, please share your travelling dates?

USER: Ok, I would like to travel from 05/06 to 05/08.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, but no flights are available with your request.

USER: Ok, no issue. Thank you for the information.

ASSISTANT: Thank you for contacting us, have a great day.