You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning to attend a work shop in LGA to IAH. Can you find a ticket for me?

ASSISTANT: Sure, which dates you are planning to attend a workshop?

USER: Sure, my travelling dates are 03/15 to 03/17.

ASSISTANT: Sure, please wait for a minute. Thanks for your patience. May I know your name to proceed further?

USER: Make sure that the price is 500 with 1 connection limit. Yes, I am Ruth Rodriguez.

ASSISTANT: Ruth, based on your request there is no flights.

USER: Ok, no problem.

ASSISTANT: Thanks for contacting us.

USER: Thank you for your information.