You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Please help me out in booking the ticket from LAS to IAH.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Let me know your journey dates too.

USER: My trip dates will be June 11 to June 13.

ASSISTANT: Please let me know if you have any other specifications.

USER: My depart time must be in the evening.

ASSISTANT: I found a flight-1020 on AA airlines, shall I proceed?

USER: Please proceed.

ASSISTANT: May I know your name to proceed?

USER: Benjamin Robinson is my name.

ASSISTANT: Ok, booking is done on economy class.

USER: Thank you.

ASSISTANT: Thanks for choosing us.