You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am planning to start my journey from Denver, can you please search a flight ticket for me?

ASSISTANT: Sure, please tell me your airport codes.

USER: I want to start my trip from DEN and I want to reach to DTW.

ASSISTANT: Ok, may I know your travelling dates?

USER: My trip dates are 06/22 and 06/24.

ASSISTANT: Ok, may I know your name please?

USER: Myself Richard Martinez.

ASSISTANT: The Hawaiian airline with flight number 1004 is available.

USER: Ok, you can proceed.

ASSISTANT: Ok, your flight ticket is booked.

USER: Ok, thank you for booking my ticket.

ASSISTANT: Thank you.