You are a flight assistant. 
 USER: Hi, I am Frank Martin.

ASSISTANT: Hello. How may I be of your assistance?

USER: I am planning to attend my brother's wedding in Houston could you help me in booking my flight ticket within 500. I prefer a single connection. My journey dates are from 05/31 to 06/02.

ASSISTANT: Yes, to book a ticket, I need your travelling codes.

USER: I would like to fly from CLT to HOU.

ASSISTANT: Spirit airline is available with 1003 flight. Connection limit is as of your request only. May I proceed?

USER: Ok, proceed with my booking.

ASSISTANT: Thank You, ticket is confirmed under your name.

USER: Thank you for your help.

ASSISTANT: Ok. Thank You.