You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I provide assistance to you at this moment?

USER: I am a traveller and would like to explore the new place in Houston, can you please assist me in making an airline reservation from New York?

ASSISTANT: Certainly, I can do that for you. Will you please let me know what class are you looking for?

USER: I will prefer to travel in an economy class.

ASSISTANT: How can I call you as?

USER: Jerry Hernandez.

ASSISTANT: Ok Jerry Hernandez, there are many airports in the locations you wanted to travel. Will you please be specific with the airport codes from where would you like to leave and arrive?

USER: My source code is JFK and destination code is IAH.

ASSISTANT: On what dates will you be travelling?

USER: My travelling dates are Oct 14th and Oct 16th.

ASSISTANT: What is your maximum flag stop limit?

USER: I need a flag stop.

ASSISTANT: Would you prefer to travel in the morning or later in the day?

USER: The return time should be evening.

ASSISTANT: Ok, please allow me few minutes to check the availability and get back to you with an update.

USER: Sure.

ASSISTANT: Thanks for waiting, we deeply regret to inform you that there are no flights going on your way at this moment due to heavy snowfall in Houston near your destination airport.

USER: Ok, no worries at all. Thank you.

ASSISTANT: Thank you for consulting us. We look forward to serve you better in future.