You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I am Melissa Campbell want to visit Houston, can you book a ticket from LAS to IAH?

ASSISTANT:  Sure, may I know how much you can pay for this ticket?

USER: My flight price should not exceed 5000.

ASSISTANT: Ok, please share your travelling dates.

USER: Sure, my travelling dates will be 03/22 and 03/24.

ASSISTANT: Please stand by.

USER: Ok.

ASSISTANT: Thank you for being patient, we found  a connecting flight in Frontier at a price of 100 and flight number 1015.

USER: Ok, proceed with my booking.

ASSISTANT: Sure, your booking is done.

USER: Thank you.

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