You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: Can you please book a flight ticket in normal cost airlines? As I have decided to travel in standard airlines only.

ASSISTANT: Sure, may I know your airport codes please?

USER: Thank you. I would like to travel from LAX to DFW. As these  airports are very much near my travelling locations.

ASSISTANT: Ok, when are you planning to travel?

USER: I have planned my travel dates as Jan 19 and Jan 21.

ASSISTANT: Is there any class preference?

USER: No, I am ok with any class to travel.

ASSISTANT: Are there any preferable travel timings?

USER: No, I am ready to travel at any time in normal cost airlines.

ASSISTANT: Would you like to have any break in between your journey?

USER: I am looking for single connecting flight.

ASSISTANT: Ok, please mention your name to proceed further.

USER: Sure, myself Jacob Thomas.

ASSISTANT: Please wait.

USER: Sure, take your time.

ASSISTANT: United Airlines has a connecting flight with number 1018 for fare 100, shall I proceed?

USER: That is fine, please proceed with booking.

ASSISTANT: Your ticket is reserved in business class.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us, have a safe flight.

USER: Most welcome.