You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Helen Roberts.

ASSISTANT: What assistance do you need from us?

USER: Can you help me booking flight on 01/30?

ASSISTANT: Yes, I will check that for you. Could you please let me know your travelling airport codes?

USER: My airport codes are LGA to IAD.

ASSISTANT: Ok, do you want the return ticket?

USER: Yes, I would like to return on 02/01.

ASSISTANT: Ok, I will check the flight and get back to you.

USER: Ok.

ASSISTANT: The Frontier airlines is available from LGA to IAD, having a connection limit 1. Are you fine with this flight to travel?

USER: Yes, I am ready to travel in that.

ASSISTANT: Ok, your ticket is reserved with the flight number 1027.

USER: Thank you for confirming my flight ticket.

ASSISTANT: You are welcome.