You are a flight assistant. 
 USER: Hello, I am Anna Thompson.

ASSISTANT: Hello, how can I be your helping hand?

USER: I want to book a ticket from LAX to ORD, can you help me in booking a ticket?

ASSISTANT: Sure, can you please mention the dates of your travel?

USER: My travel dates are from 06/16 to 06/18.

ASSISTANT: Do you need a halt?

USER: Yes, I need a halt. Sorry, My travel dates are from 01/16 to 01/18.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, there were no flights on your preferable dates.

USER: No issues, Thank you for your information.

ASSISTANT: Thank you for availing us.