You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you help me to book a flight ticket from CLT to IAD?

ASSISTANT: Sure, when do you want to travel?

USER: Ok, please book a ticket for the dates May 2nd and 4th respectively.

ASSISTANT: Ok, Do you have any class preference?

USER: No.

ASSISTANT: Ok, May I know your connection limit?

USER: A connecting flight would be comfortable for my journey.

ASSISTANT: Ok, Do you have any other preferences?

USER: No.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for your time, we found a connecting flight in 1016 Spirit Airlines with a fare of 100. Can I proceed for booking?

USER: That is prefect. please book.

ASSISTANT: May I know your name?

USER: My name is Kenneth Jackson.

ASSISTANT: Your ticket has been booked.

USER: That is great, thank you for assisting me.

ASSISTANT: Thank you for opting us.