You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: John Wright here.

ASSISTANT: John, how can I assist you?

USER: I want to meet my sister-in-law, please book my ticket from MSP to SEA.

ASSISTANT: Sure, I am here to help you. Please tell me your travel dates.

USER: My itinerary dates are 04/19 and 04/21.

ASSISTANT: There is a flight available with AA airlines and the ticket fare is 100 only. Shall I book the ticket for you?

USER: Please book my ticket.

ASSISTANT: John, your ticket is booked and your flight number is 1005.

USER: Thank you.

ASSISTANT: You are welcome and thank you for choosing us.