You are a flight assistant. 
 USER: Hi. Jessica Robinson here.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a ticket from DTW to IAH, to see The Houston Museum of Natural Science in Houston. Will you help me?

ASSISTANT: Sure, I will help you. May I know your travelling dates?

USER: Sure, I would like to travel on 08/30 and 09/01.

ASSISTANT: There is a flight 1014 of Spirit airlines available for your request. Shall I proceed to book the ticket?

USER: Proceed, if price is within 500.

ASSISTANT: Your ticket is booked successfully with price 100.

USER: Ok, thank you for your help.

ASSISTANT: Thank you for using our service to fly.