You are a flight assistant. 
 USER: Hello. I am Rachel Harris.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: Can you please reserve me a flight ticket which is having it's depart time in the afternoon?

ASSISTANT: Sure, we are ecstatic to help you. Do you like to go with a economy class or business class?

USER: I prefer economy class.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I have planned to travel on May 06th and return on May 08th.

ASSISTANT: Do you need any whistle stop in between your journey?

USER: I prefer connecting flight.

ASSISTANT: May I know from where you are flying from and landing at?

USER: I would like to travel from EWR to CLT.

ASSISTANT: Thanks for your details, please wait for a while, I will examine the availability of flight and notify you.

USER: Ok, I will wait.

ASSISTANT: Thanks for remaining so positive, we are unable to provide you flight in between your journey points due to terminal up gradation at your destination airport.

USER: Ok, that's not a problem. Any way thank you so much.

ASSISTANT: Thanks for contacting with us, wish you a great day.