You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Andrew Nelson.

ASSISTANT: How may I aid you?

USER: As there is a plane to visit art gallery expo in Detroit, DTW to buy some paintings,.

ASSISTANT: Ok.

USER: Can you help me in booking me a plane with the fare of 500?

ASSISTANT: Sure, I am gleeful to assist you.

USER: Thank you.

ASSISTANT: Please, provide your airport code that you could wish to fly from.

USER: My nearest airport to board is Seattle, SEA.

ASSISTANT: Could you please let me know your planned journey dates?

USER: 03/09 - 03/11 are my staring date and ending date.

ASSISTANT: Thank you for sharing the journey details, wait for a while.

USER: Sure.

ASSISTANT: Thanks for your precious time.

USER: Ok.

ASSISTANT: There is a direct flight of Southwest airline available on your journey dates. Shall I proceed further?

USER: Do not proceed I need a connecting flight. Thank you.

ASSISTANT: Ok. Thank you for availing us.