You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I want to reserve my ticket from PHL to CLT to visit Charlotte, can you please help me in booking?

ASSISTANT: Sure, can you provide your trip dates?

USER: Sure, my planned dates of journey are from Oct, 19 to Oct, 21.

ASSISTANT: Do you have any preferences?

USER: Yes, I want a connecting flight.

ASSISTANT: May I know your name?

USER: Sure, my name is Emily Lopez.

ASSISTANT: There is a connecting flight with number 1000 in airline Delta, the fare is 100 in economy class. Can I book it?

USER: Ok, please go ahead with this booking.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for reaching us.