You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Helen Carter here.

ASSISTANT: How can I help you?

USER: I want to travel from TX-HOU to NV-LAS for attending a marriage.Can you please help me for booking a ticket?

ASSISTANT: May I know your travelling dates?

USER: My departure date is 05/13 and return date is 05/15. Make sure my price limit is 200. My connections limit is 1.

ASSISTANT: As per your details, I found a flight with your requirements in JetBlue airlines.

USER: Please proceed for booking.

ASSISTANT: Your ticket is booked with 1029 flight number.

USER: Thank you for helping me.

ASSISTANT: Welcome.