You are a flight assistant. 
 USER: Hi, I am Linda Phillips.

ASSISTANT: Hello, may I know how best I can help you today?

USER: As I am a doctor I need to fly with the direct flight to New York to treat an emergency case, can you help me with the booking?

ASSISTANT: May I know at what price you are looking for ticket fare?

USER: I can bare up to 500.

ASSISTANT: May I know on which dates you are willing to travel?

USER: My plan to reach New York on 01/10 and I intend to return on 01/12.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: I want to start from Houston, TX-HOU and my destination is New York, NY-LGA.

ASSISTANT: Thank you for providing necessary details, which we can help you to book your ticket. Please be on hold let you know the information.

USER: Ok.

ASSISTANT: We have found a Frontier airline of 1009 flight number with zero connection of cost 200.

USER: Sure, please proceed with the booking.

ASSISTANT: Your reservation has been made.

USER: Thanks for your kind service.

ASSISTANT: Thank you for choosing us.