You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,.

USER: I am Michelle Perez.

ASSISTANT: How can I assist you?

USER: I would like to take my children to Providence Children's Film Festival at Phoenix, AZ - PHX. Can you help me with booking flight ticket within 200?

ASSISTANT: Please specify your travelling dates?

USER: I want to fly on 09/30 and return on 10/02.

ASSISTANT: Please mention boarding airport code?

USER: My boarding is from Detroit, MI - DTW.

ASSISTANT: Ticket can be booked with airline Spirit having connections 1, flight number is 1016. Ticket fare is 100.

USER: Ok, Proceed.

ASSISTANT: Ticket is booked.

USER:  Thanks for your assistance.

ASSISTANT: Thank you.