You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Melissa Collins here.

ASSISTANT: Collins, how may I assist you today?

USER: I have to attend an important seminar in New York, so can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure, I am happy to help you, may I know your travelling dates?

USER: Thank you, I am planning to go on 07/30 and please book a return ticket on 08/01.

ASSISTANT: Ok, please wait for a moment to check availability of flights.

USER: Sure.

ASSISTANT: Can you help me with your airport codes?

USER: Sure, I want to travel from BOS to LGA.

ASSISTANT: There is a flight in UA airline with connection 1 as per your details, can I proceed?

USER: Yes, you can proceed to book.

ASSISTANT: Your ticket is confirmed by flight number 1021. My pleasure, have a nice day.

USER: Thank you for your assistance.