You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am looking for a flight from IAH to LAX, can you help me?

ASSISTANT: Sure, please help me with your travel dates.

USER: I want to travel on 18 Apr and return on 20 Apr.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: May I know your name?

USER: Lisa Evans.

ASSISTANT: Flight-1002 is available in Hawaiian airlines with single connection and the ticket fare is 100. Can I proceed?

USER: Please proceed to booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.