You are a flight assistant. 
 USER: Hello, I am Katherine Martinez.

ASSISTANT: Hello, how can I help you today?

USER: I need to fly to Houston to attend my niece baby shower, can you help me to book a flight ticket with single connection?

ASSISTANT: Sure, we are here to make your journey comfort.

USER: Thank you.

ASSISTANT: Kindly mention your travel dates.

USER: 03/23 and 03/25 are my planned travelling dates.

ASSISTANT: Could you please provide me your airport codes?

USER: I would like to start from Las Vegas, NV-LAS to reach Houston, TX-IAH.

ASSISTANT: How much can you afford for this journey?

USER: I can pay up to 1000 for the flight ticket.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to inform, no flights found with your requirement.

USER: No issues, I'll choose any alternative to reach my destination. Thank you for your information.

ASSISTANT: Thanks for reaching us.