You are a flight assistant. 
 USER: Hello, Anna Robinson here.

ASSISTANT: Hello, how may I assist you?

USER: As I am a scientist, I would like to visit the ancient 1940 air terminal museum, located at Houston, HOU. Can you book me a ticket within the range 200?

ASSISTANT: Sure, Please share your travelling dates?

USER: I want to travel on 08/20, and need to catch return flight on 08/22.

ASSISTANT: Please share your source airport code?

USER: Source is from Seattle, SEA.

ASSISTANT: We found a connecting flight with fare of 100 in Frontier airline. Shall I proceed for booking?

USER: I am very comfortable to travel with airline Frontier. Reserve my seat.

ASSISTANT: Your seat has been reserved.

USER: Thanks for your effort and service.

ASSISTANT: Thanks for opting us, have a nice day.