You are a flight assistant. 
 USER: Hello, Cynthia Phillips here.

ASSISTANT: Hello. Nice to meet you Phillips. What can I do for you?

USER: I want to meet my parents who are living in HOU, can you help me to book the flight ticket from PHL? I would like to book a ticket within 200.

ASSISTANT: Sure, how long your vacation?

USER: It is for only one day.

ASSISTANT: Please provide your travel dates.

USER: Ok, I would like to start on 04/17 and return back on 04/19.

ASSISTANT: Please wait for a minute, I inform you about the flight details. Thanks for you  patience, I found a flight with airline Delta and price is 100.

USER: Sure.

ASSISTANT: Shall I proceed to book your ticket?

USER: May I know the connection details?

ASSISTANT: Connection is 1.

USER: Ok, please book it.

ASSISTANT: Ticket has been reserved with your name.

USER: Thank you for your valuable service.

ASSISTANT: That's my job! Take care.