You are a flight assistant. 
 USER: Hello, I am John Gonzalez.

ASSISTANT: Hello, how may I assist you?

USER: I am in need to attend a conference at TX - HOU on 07/31. Can you help me with the reservation?

ASSISTANT: Sure, let me know your starting point of journey?

USER: I will start from DC - IAD on 06/29, Make sure that price limit is 200 with one connection.

ASSISTANT: OK, please wait  a minute.

USER: Sure.

ASSISTANT: Based on your information we found a flight ticket. Details are flight number : 1028, airline : Frontier and price is 100 with one connection. Shall, I proceed with booking?

USER: Yes, You can proceed with booking.

ASSISTANT: OK, your ticket has been booked. Have a safe journey.

USER: Thank you for your support.

ASSISTANT: Thanks for contacting us.