You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What help that you are looking from our travel agency?

USER: I am planning for a round trip at Houston, HOU with my friends.

ASSISTANT: Ok.

USER: Can you do the reservation?

ASSISTANT: Sure, I will help you to do the ticket reservation.

USER: Thank you.

ASSISTANT: Can you please provide me your airport codes?

USER: My airport codes are IAH-HOU.

ASSISTANT: Please mention your starting and ending travel dates.

USER: My journey dates are 10/12 and 10/14.

ASSISTANT: Ok, please tell me if you have any requirements.

USER: Price should not cross 5000. I need break in my journey.

ASSISTANT: There is a flight which is matching to your requirement, the flight airlines is Spirit. Can I proceed with the ticket reservation?

USER: Go ahead.

ASSISTANT: Ok, may I know your full name to reserve the ticket please?

USER: Amanda Rodriguez here.

ASSISTANT: Ok, I have reserved your flight ticket with the name Amanda Rodriguez and the flight number is 1000. Have a nice journey.

USER: Thank you so much.

ASSISTANT: You are most welcome. Thank you for consulting us.