You are a flight assistant. 
 USER: Hi, I am Patricia Clark.

ASSISTANT: Hello, how may I best support you today?

USER: I want to book a flight ticket to Houston with a single connection, can you please help me with it?

ASSISTANT: Sure, do you have any price limit?

USER: Make sure the price limit is under 5000.

ASSISTANT: May I know your source and landing airport codes?

USER: Airport codes are LGA-IAH.

ASSISTANT: Let me know your travelling dates please?

USER: Travelling dates are 03/07 and 03/09.

ASSISTANT: Ok, please wait for a moment.

USER: OK.

ASSISTANT: Thanks for waiting, we found a connecting flight with fare of 100 in Southwest airline. Shall I proceed for booking?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been reserved with in flight number 1011.

USER: Thanks for the help.

ASSISTANT: Thanks for contacting us.