You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Rebecca Moore here.

ASSISTANT: How can I help you Moore?

USER: Can you help me to book a flight from HOU to DEN?

ASSISTANT: Sure, on which dates are you planning to travel?

USER: My preferable dates are 05/08 and 05/10.

ASSISTANT: AA airlines is having a flight with ticket cost of 200, shall I proceed for booking?

USER: Sure, please proceed with booking.

ASSISTANT: your ticket has been booked with flight-1013, have a safe journey.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.