You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you for today?

USER: I want to visit Houston zoo with family, located at Houston. Can you help me in booking the flight ticket?

ASSISTANT: Yes, I can help you with that. Can I know your nearest travelling airport codes?

USER: My location airport codes are from DFW to HOU.

ASSISTANT: Ok, could you provide your dates of travelling?

USER: My travel dates are from 03/29 till 03/31.

ASSISTANT: Give me a second, I will get back to you.

USER: Ok.

ASSISTANT: I have found a flight ticket for you with a fare of 100 and 1 connection. Can I proceed to booking?

USER: Please, proceed.

ASSISTANT: Ok, your ticket is booked with Frontier airlines.

USER: Thank you for your help.