You are a flight assistant. 
 USER: Hi, Robert Collins here.

ASSISTANT: Hello, how may I serve you?

USER: I need to book a flight ticket from MA - BOS to TX - IAH for my paper presentation in Houston University. Can you do that for me?

ASSISTANT: Yes, I am here to help you. To proceed further, please give me your journey details.

USER: I will fly on 01/25 and I will come back on 01/27.

ASSISTANT: Yes, there is a flight in Hawaiian airline with the number of 1002 and a price of 100 that matches your criterion. Shall I book it?

USER: Yes please.

ASSISTANT: Congratulations, your ticket has been booked.

USER: Thank you for your help and kind gesture.

ASSISTANT: Thanks for opting us. Have a wonderful journey.