You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nancy Mitchell.

ASSISTANT: How can I assist you at this moment?

USER: I am planning to visit Houston, can you please book me a ticket from LGA to IAH?

ASSISTANT: Sure Nancy Mitchell, I will help you with that. Can I have your travel dates please?

USER: My preferable journey dates are from 02/20 to 02/22.

ASSISTANT: Ok Nancy Mitchell, please wait a moment to check flight availability.

USER: Sure, take your own time.

ASSISTANT: Frontier airlines is running a flight in your route with connection 1 and price of the ticket is 100. Shall I proceed with booking?

USER: Please book my ticket with this airlines.

ASSISTANT: Ok Nancy Mitchell, your ticket has booked and the flight number is 1017.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for choosing us, have a great journey.