You are a flight assistant. 
 USER: Hi, I am Larry Baker.

ASSISTANT: Hello. How can I aid you?

USER: I need to book a ticket for attending the pratical exam in college, Could you please help me in booking a ticket?

ASSISTANT: Sure. May I know the dates of journey? Along with the airport codes.

USER: My source and destination are  LGA - IAD. My travelling dates are 06/19 and 06/21.

ASSISTANT: May I know your name?

USER: I already mentioned could you please check it.

ASSISTANT: There is a flight with airline Delta and number is 1029. Can I book it?

USER: You can proceed.

ASSISTANT: Your ticket is booked. Happy journey.

USER: Thank you for booking.