You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you at this moment?

USER: Can you help me to book a flight on Apr 29 from Dallas?

ASSISTANT: Sure, kindly mention your return date?

USER: I will return on May 1st.

ASSISTANT: May I know your destination airport code?

USER: My destination point is PHX.

ASSISTANT: Do you prefer connecting or direct flight in your journey?

USER: I prefer connecting flight.

ASSISTANT: Is there any more specifications do you need?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Emily Johnson.

ASSISTANT: We found a connecting flight with Frontier airlines, flight number 1018, price is 100 in economy class. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for helping me.

ASSISTANT: Thank you for opting us.