You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How could I aid you?

USER: I need to book a flight ticket from MSP to HOU, Can you please help me for booking?

ASSISTANT: Sure, may I know your name please?

USER: Nicholas Jones here.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need a normal cost airline.

ASSISTANT: Can you please share me your journey dates?

USER: I would like to travel on 07/21 to return on 07/23.

ASSISTANT: There is a flight found with an United airline of flight 1003 in an economy class with single connection.

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your information.

ASSISTANT: Thank you.