You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Myself Brandon Baker.

ASSISTANT: How may I assist you today?

USER: I would like to travel from MCO to PHX, so can you help me searching flights?

ASSISTANT: Sure, please provide your trip dates.

USER: My trip starts from 09/15 to 09/17.

ASSISTANT: Sorry, I cannot find any flight with your travel dates.

USER: Ok, no problem. Thank you for your services.

ASSISTANT: It's my pleasure, have a great day.