You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you help me in booking a flight ticket from LAS to HOU?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: I want to travel on 10/10, and return on 10/12.

ASSISTANT: Do you have any specifications about class?

USER: I am comfortable with any class.

ASSISTANT: Do you have any preferences about flight connections?

USER: I need a break in my journey.

ASSISTANT: Please mention your name.

USER: I am Benjamin Nelson.

ASSISTANT: There are no flights found under your preferable details.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Welcome, have a great day.