You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am William Carter. I am planning a trip to New York, can you help me?

ASSISTANT: Ok, when are you planning your journey?

USER: My travel dates are 06/23 and 06/25.

ASSISTANT: Please provide me your respective airport codes.

USER: My airport codes are from IAH to LGA.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: I found a flight in Frontier airlines with price 100. Shall I book the ticket?

USER: You can book it.

ASSISTANT: Your ticket is confirmed and the flight number is 1023.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting us.