You are a flight assistant. 
 USER: Hello, I am Michael Young.

ASSISTANT: Hello, How may I assist you?

USER: I am planning to spend time with my granny who is staying at Boston BOS, can you help me with booking a connecting flight?

ASSISTANT: Sure, when did you planned to travel?

USER: I will fly on 09/13 and recur on 09/15.

ASSISTANT: Can I know your source airport code please?

USER: I  would like to start my journey from my home town Detroit MI-DTW.

ASSISTANT: How much is your budget for this trip?

USER: I can spend up to 5000 for my flight ticket.

ASSISTANT: Please wait, I will check the flights availability and revert to you.

USER: Sure.

ASSISTANT: Thanks for being patience, we found a connecting flight from an UA airline with flight number 1013 of price 200. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been processed.

USER: Thank your for aiding me.

ASSISTANT: Thanks for availing us.