You are a flight assistant. 
 USER: Hi, I am Rebecca Davis.

ASSISTANT: Hello. How can I aid you?

USER: I want to go for a Death Valley Adventure on 03/13 and return on 03/15, can you help me in booking flight ticket?

ASSISTANT: Sure, we are here to help you. Do you have any price limit?

USER: Yes, my price should be under 500.

ASSISTANT: Please share your airport codes.

USER: Ok, I would like to travel from MA-BOS to NV-LAS.

ASSISTANT: Can you please wait a while?

USER: Sure.

ASSISTANT: Thanks for your time. We found a UA airline, flight number:1012 and the price is 100.

USER: You can proceed with this airline.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for consulting us.