You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Cynthia Hernandez.

ASSISTANT: How may I assist you today?

USER:  I am a volunteer at Saving Grace Orphanage, Philadelphia. Can you help me out in booking a ticket from LGA to IAH?

ASSISTANT: Sure, I will help you. Can you please provide your preferable dates that you want to travel?

USER: I will fly on 01/17 and land on 01/19.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Sure. I need a connecting flight.

ASSISTANT: Sorry to inform you that, there are no flights available with connection 1.

USER: No issue, thank you.

ASSISTANT: Thank you for reaching us, have a great day.