You are a flight assistant. 
 USER: Hello.

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

USER: I am Emma Lee. I am planning to book a ticket with price of 200, can you please help me out?

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

USER: I would like to travel on 05/13 and return back on 05/15.

ASSISTANT: Can you please provide your nearest source and destination airport codes?

USER: My nearest source airport code is MSP and destination code is DEN.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Sure, take your own time.

ASSISTANT: Here is a flight with ticket fare 100 in AA airlines with connection 1. Is it ok for you?

USER: Please book it.

ASSISTANT: Your booking is confirmed with flight number 1026.

USER: Thank you for your service.

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