You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Melissa Garcia.

ASSISTANT: Garcia, how may I help you?

USER: I am planning to visit Phoenix to meet my friend, can you please book me a ticket on the dates of 02/02 to 02/04.

ASSISTANT: May I know your itinerary dates? May I know your airport codes?

USER: My nearest airport codes of travelling are from BOS to PHX.

ASSISTANT: Please hold on for a while.

USER: Sure, take your own time.

ASSISTANT: Delta airlines with flight 1010 is available on your route.

USER: Please book my ticket with this flight.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.