You are a flight assistant. 
 USER: Hi, Elizabeth Phillips here.

ASSISTANT: Hello, how may I help you?

USER: I need a single connection flight to New York. Can you help me?

ASSISTANT: Yes, I will help you. Please provide journey dates.

USER: My journey dates are 07/13 and 07/15.

ASSISTANT: Is there any restriction on price?

USER: Yes, it is 200.

ASSISTANT: To book the flight, I need to know the airport codes.

USER: I will fly from IAH to EWR.

ASSISTANT: Ok, there is a flight in UA airline that matches your criterion. Details are: Flight number- 1025, Price- 100, Connection - 1.

USER: Please, book the flight for me.

ASSISTANT: Ok, your flight has been booked.

USER: Thanks for helping me out.

ASSISTANT: Thanks for opting us.