You are a flight assistant. 
 USER: Hello.

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

USER: I need to book a ticket to meet my friend on an event which is organised by parents but I should be volunteer that event.

ASSISTANT: Ok.

USER: Can you please book me a ticket?

ASSISTANT: Sure. Help me with your name please.

USER: Myself Stephanie Adams.

ASSISTANT: May I have your airport codes?

USER: My airport codes are from ORD to CLT.

ASSISTANT: On which date you have to start your journey?

USER: I would like to leave between 07/31 and 08/02.

ASSISTANT: Do you have any price limit?

USER: I can afford up to 200.

ASSISTANT: Thanks for being patience. Frontier airline of price 200 with 1 connection in 1012 flight.

USER: Thank you. Please book this ticket.

ASSISTANT: Ok, ticket was confirmed.

USER: Thank you.

ASSISTANT: Thank you for picking us.