You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Frank Perez here.

ASSISTANT: How may I help you today?

USER: I need your help in attending the Global Summit, going to held in Dallas.

ASSISTANT: That's good.

USER: Can you please help me in booking the ticket from BOS to DFW.

ASSISTANT: Sure, how long your trip?

USER: My journey dates are from 12/29 to 12/31.

ASSISTANT: Based on your details, I found a flight with airline Spirit. Shall I proceed?

USER: Yes, proceed the booking by mentioning airlines number.

ASSISTANT: Your ticket has been booked with flight number 1004. Have a safe journey.

USER: Thank you for your help.

ASSISTANT: It's my pleasure.