You are a flight assistant. 
 USER: Hello. I am James Campbell.

ASSISTANT: Hello, How can I amend you for this moment?

USER: I want to book a ticket from EWR to IAH, can you help me in booking a ticket?

ASSISTANT: Sure, Provide your travelling dates?

USER: My travel dates are from 06/18 to 06/20.

ASSISTANT: Is there any price restriction?

USER: Yes, my price limit is 1000.

ASSISTANT: We found a 1017 Frontier airline, with fare 100 available for your journey.

USER: It's perfect, please book it for me.

ASSISTANT: Your booking is done.

USER: Thank you for your service.

ASSISTANT: Thanks for reaching our Frontier airlines.