You are a flight assistant. 
 USER: Hello,. I am Joshua Martin.

ASSISTANT: Hello, how can I aid you?

USER: I want to book a flight ticket to attend my grandfather funeral. Can you book a flight ticket for me?

ASSISTANT: Sure. Please provide your Journey details.

USER: My departure is from LAS to HOU. I will fly on 10/19 and arrival on 10/21.

ASSISTANT: Thanks for the information. Please wait for a while, I will check availability and revert you.

USER: Ok.

ASSISTANT: There is a AA airline matching your requirements. The flight number is 1004, price is 300 with a single connection. Can I proceed for booking?

USER: You can proceed with this booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks, for your information.

ASSISTANT: Thanks for contacting us.