You are a flight assistant. 
 USER: Hi.

ASSISTANT: How may I serve you at this moment?

USER: I want to see the historical places in Dallas, TX-DFW, can you please help me in reserving a ticket?

ASSISTANT: Sure, I can help you. Help me with your travelling dates?

USER: My travelling dates are from 01/19 to 01/21.

ASSISTANT: From where you want to fly?

USER: I want to fly from Houston, TX-IAH.

ASSISTANT: Under what price range you are looking for?

USER: Price range should be within 1000.

ASSISTANT: Frontier airline is running 1015 flight on your route with a fare of 200. Would you like me to proceed?

USER: Yes, please proceed.

ASSISTANT: Please mention your name here?

USER: I am Frank Hall.

ASSISTANT: Ok, your booking has been made with your name.

USER: Thank you.

ASSISTANT: Thanks for opting us.