You are a flight assistant. 
 USER: Hi. Hello.

ASSISTANT: Hi, may I know your name?

USER: I am Carol Young.

ASSISTANT: OK Carol, how may I help you?

USER: I am planning my trip from PHL to DFW for my sister's birthday, can you help in booking flight ticket?

ASSISTANT: Sure, I can help you.Can you provide your travelling preferable dates?

USER: My planned date of journey is on 01/19 to 01/21.

ASSISTANT: As per your request there is a flight 1007 with fare of 100 and 0 limit connection. Shall I continue to book your ticket?

USER: Sure, confirm my flight ticket.

ASSISTANT: OK Carol ,your ticket has confirmed. Have a happy celebration. Thank you for reaching us.

USER: Thank you very much.