You are a flight assistant. 
 USER: Hi. I am Melissa Smith.

ASSISTANT: Hello, how may I render you?

USER: On 11/19 I am scheduled to attend client meeting so, I want to book a flight to Phoenix, AZ - PHX.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your journey return date?

USER: My journey return date is 11/21.

ASSISTANT: Can you share your origin airport code?

USER: Sure, my origin airport is Washington DC - IAD.

ASSISTANT: Do you have any specifications?

USER: Yes, please check a flight ticket under a fare of 500.

ASSISTANT: Thank you for sharing your journey details, please hold on.

USER: And I need a flight with a halt. OK.

ASSISTANT: You have a flight with airline Hawaiian and flight number is 1025 with 1 connection and price is 100. Can I reserve your seat?

USER: Yes, please reserve.

ASSISTANT: Your seat has been reserved.

USER: Thanks a lot for making a reservation.

ASSISTANT: Thank you for choosing us, have a nice day.