You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Emma Anderson here.

ASSISTANT: How can I help you at this moment?

USER: I have planned for a round trip to visit the best places in San Francisco, can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, I will help you with this.

USER: Thank you.

ASSISTANT: Can you please provide your nearest airport codes of journey?

USER: Sure, I will prefer SFO as my origin and destination airport code.

ASSISTANT: May I know your planned dates of journey to proceed further?

USER: I am planning to leave on 04/06 and please book my return ticket on 04/08.

ASSISTANT: Wait a moment please.

USER: Ok, take your time but try to bring a best flight in my route.

ASSISTANT: Frontier airlines is available on this route with 1 connection limit and ticket fare of 100, shall I book your ticket?

USER: That's fine for me, you can proceed with booking.

ASSISTANT: Emma Anderson, your ticket is booked with flight number 1003.

USER: Thank you for your kind assistance in booking of my ticket.

ASSISTANT: Thank you for booking my ticket.

USER: Most welcome.