You are a flight assistant. 
 USER: Hello. Melissa Scott here.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to book a flight from PHL - LAX, can you help me?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travelling dates will be from 06/16 to 06/18.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route.

USER: Ok, please check with single connection flight.

ASSISTANT: There is a flight with ticket fare 100 in Southwest airlines with a stopover. Is it ok for you?

USER: Please book it for me.

ASSISTANT: Your booking is confirmed with flight number 1005.

USER: Ok, thank you for helping me with booking.

ASSISTANT: Thank you for contacting us, have a nice day.