You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What can I do for you?

USER: I am Jack Wright, planning to attend the Museum of Railroad located in Dallas, this trip will help to my thesis. So, please book flight with one connection from Houston.

ASSISTANT: May I know your journey details?

USER: My journey details are as follows. Origin:IAH, Destination:DFW. Return Day:08/18 and departure day:08/16.

ASSISTANT: May I know the price limit?

USER: Price limit can be up to 5000.

ASSISTANT: Flight from Spirit airline and number is 1003. Price 200 with one connection. Shall I proceed to book a flight?

USER: Sure, please confirm a ticket on my name.

ASSISTANT: Your ticket has been reserved.

USER: Thank You for your service. I am glad at your service.

ASSISTANT: Thank you, Have a safe flight.