You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Jack Martinez. I am a cop and I have to attend a meeting, so please book a flight ticket for me.

ASSISTANT: Sure, I am gleeful to help you. Could you please provide your travelling dates to search for the flight?

USER: Thank you for accepting my request and I am going to take off on May 27th and I will return back on May 29th.

ASSISTANT: Can I have your airport codes?

USER: My source airport code is LGA and my destination location airport code is SEA.

ASSISTANT: May I know your preferable depart and return journey timings?

USER: My depart time would be afternoon and my return time would be evening.

ASSISTANT: May I know your connection preferences?

USER: Check the flight with one connection.

ASSISTANT: Sorry, no flight is available for you as per your requests.

USER: Sad to hear that one, I can ask my friend to help me to reach my destination. Thank you for your service.

ASSISTANT: Thank you for reaching us.