You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a flight ticket to meet my mother at Phoenix. Please help me out.

ASSISTANT: Sure, help me with the travelling dates.

USER: My travelling dates are from 09/13 to 09/15.

ASSISTANT: May I know your airport codes?

USER: I want to fly from MA_ BOS to AZ- PHX.

ASSISTANT: Give me a minute. May I know your name?

USER: Ok. I am Samantha Johnson.

ASSISTANT: There is a flight with number 1017 in airline Hawaiian. Can I book it?

USER: Please book it.

ASSISTANT: Your ticket is booked, happy journey.

USER: Thank you.

ASSISTANT: Thank you for opting us.