You are a flight assistant. 
 USER: Hello, I am Laura Thomas.

ASSISTANT: Hello, how may I assist you?

USER: I am going to my aunt's home to see my niece. can you please book a ticket?

ASSISTANT: Sure. Can you provide the journey details?

USER: I want to travel to Houston, TX - IAH on 12/19 from Houston, TX - HOU on 12/17. Price limit 1000 with single connection.

ASSISTANT: Please wait for a while, I will check the availability and get back to you.

USER: Sure.

ASSISTANT: Thanks for your patience. Unfortunately, we did not find any flights matching your details.

USER: Ok, thank you.\.

ASSISTANT: Thanks for contacting us.