You are a flight assistant. 
 USER: Hi. Melissa Anderson here.

ASSISTANT: Hello, how may I guide you?

USER: Can you book a ticket from SEA to LGA?

ASSISTANT: Sure, can I know your preferable dates?

USER: Ok, here are my travelling dates 10/20 and 10/22.

ASSISTANT:  I found a flight 1025 of UA airlines matches with your preferences, can I proceed?

USER: Please go ahead.

ASSISTANT: Your ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you, have a good day.