You are a flight assistant. 
 USER: Hi, Margaret Miller here.

ASSISTANT: Hello Miller, how may I help you?

USER: I need to book a flight ticket for my journey to Los Angeles for attending a small meeting over there. Can you please help me to book a flight ticket from IAD to LAX?

ASSISTANT: Please share your journey dates.

USER: I want to go on 09/30 and return on 10/02.

ASSISTANT: Please hold on for a while.

USER: Ok.

ASSISTANT: Hawaiian airlines with flight 1021 is available.

USER: Ok, you can book it.

ASSISTANT: Your ticket is booked.

USER: Thank you so much for your help.

ASSISTANT: Thank you for reaching us.