You are a flight assistant. 
 USER: Hello, I am Ronald Walker.

ASSISTANT: Hello, how may I serve you the best today?

USER: Could you please check flights on 08/29 and 08/31 and book a ticket for me?

ASSISTANT: Sure, could you please provide your source and destination airport codes?

USER: Sure, source is Houston, IAH and destination is Denver, DEN.

ASSISTANT: Ok, do you need any way station in between the journey?

USER: Yes, I need to halt in between my journey.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: The UA airlines with a fare of 100 is available and the flight number is 1003. Shall I book it?

USER: Yes, I am comfortable to travel with that airline.

ASSISTANT: Your booking is done with a lay by in between the journey.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.