You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I need a help from you.

ASSISTANT: Welcome to Global flight agency.

USER: Will you please help me with that?

ASSISTANT: Sure, I will help you. What type of help you want from me?

USER: I like to fly out of Orlando airport and I have to reach my final destination to Oakland. Will you please help me in booking my flight ticket?

ASSISTANT: Sure, on which dates you want to travel to Oakland?

USER: My travelling dates will be from 07/22 to 07/24.

ASSISTANT: May I know exact airport codes of Orlando and Oakland?

USER: By the way, I didn't introduced myself and my name is Kenneth Martinez. My exact airport codes are from MCO to OAK.

ASSISTANT: Nice to meet you Kenneth Martinez. Sure, please wait for a moment to check the details.

USER: Ok, take your time.

ASSISTANT: Thanks for your patience. Sorry, for this inconvenience, I cannot find any flight with your travel dates.

USER: It's ok, thank you for your assistance.

ASSISTANT: It's my pleasure.