You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jeffrey Taylor here.

ASSISTANT: In which way I can aid you at this moment?

USER: I have to attend a conference with my clients, can you book a ticket from OAK to CLT?

ASSISTANT: Sure, I am happy to aid you with that. Can you please mention your preferable travel dates?

USER: Sure, my planned departure and return travel dates are 27th and 29th of January.

ASSISTANT: Are you okay with connecting flight or you need any direct flight?

USER: Both are ok for me.

ASSISTANT: Do you need any specific depart and arrival time for this trip?

USER: Yes, I want to return in the morning time.

ASSISTANT: Do you have any another specifications?

USER: No, I don't have.

ASSISTANT: Ok. please wait a moment.

USER: Sure, take your own time.

ASSISTANT: UA airline flight available with connection limit 1 and fare is 100, shall I confirm this economy class flight?

USER: Sure, you can proceed for booking the ticket.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1015 and this flight arrival time is 4:00 AM.

USER: Thank you so much for your help.

ASSISTANT: You are welcome Jeffrey Taylor.