You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I have your name please?

USER: I am Charles Roberts.

ASSISTANT: What can I do for you now?

USER: I would like to travel to Los Angeles from Houston. Can you help me in booking a flight ticket?

ASSISTANT: Sure, I am perky to help you.

USER: Thank you.

ASSISTANT: On which date you would like to travel?

USER: My trip dates are from 03/19 to 03/21.

ASSISTANT: Help me with your airport codes.

USER: My airport codes are IAH - LAX.

ASSISTANT: Any specifications?

USER: Yes, my price limit should not exceed 200.

ASSISTANT: Thanks for waiting. We have a flight with 1 connection of price 100 in Spirit airline. Shall I confirm your ticket?

USER: Please proceed.

ASSISTANT: Reservation has been done.

USER: Flight number please.

ASSISTANT: Thank you for connecting us. Your flight number is 1006.

USER: Thank you for your response.