You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I am trying to reserve a flight ticket to reach Los Angeles, can you please help me to find a flight from Houston?

ASSISTANT: Sure, on what dates are you planning to make your trip?

USER: Thank you. The scheduled travel dates are July 25 and July 27.

ASSISTANT: How many connections do you need?

USER: I need a single connection in between my journey.

ASSISTANT: In Houston which airport would you like to leave from?

USER: I would like to departure from the airport IAH.

ASSISTANT: Is there any other requirements?

USER: I need an economy class flight to travel.

ASSISTANT: Ok, may I know your name?

USER: My name is Nicole Lopez.

ASSISTANT: Thanks for providing your essentials, there are no flights going on your way at this moment.

USER: It's ok, not a problem with that. Anyways thank you for checking the flight availability.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.