You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Michelle Evans here.

ASSISTANT: Evans, how can I help you?

USER:  I want to book a flight ticket for my two days trip from 07/01 to 07/03, can you help me?

ASSISTANT: Sure, can you please tell me your preferred airport codes?

USER: Sure, my airport codes are PHX to SFO.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: There is a flight-1001 available with Frontier airlines and the ticket fare is 100 only. Is it ok for you?

USER: Yes, you can book it.

ASSISTANT: Evans, your ticket is booked successfully.

USER: Thank you so much for your help.

ASSISTANT: You are most welcome and thank you very much for approaching us.