You are a flight assistant. 
 USER: Hello, I am Benjamin Smith.

ASSISTANT: Hello. How can I help you now?

USER: I want to attend for the comic show, Can you please book a ticket for me?

ASSISTANT: Sure, I will help you to attend comic show. May I know your airport codes?

USER: Origin: IAH and Destination: PHX.

ASSISTANT: Ok, please share me on what dates would you like to travel?

USER: My planned dates are 01/27 to 01/29.

ASSISTANT: Smith, do have any restriction on price?

USER: I need 1 connection and price 1000.

ASSISTANT: Thanks for the information, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry to inform that there is no any flight available on your journey dates.

USER: Ok. Thank you.

ASSISTANT: Thanks for contacting us, have a nice day.