You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Anna Lopez, I want to book a connecting flight to visit my grand father's house at Houston. Can you book a flight ticket with in fare of 5000?

ASSISTANT: Let me know your airport codes?

USER: My source point is DCA and my destination is IAH.

ASSISTANT: Can I know your travelling dates?

USER: I will fly on Oct 31 and I need a return flight on Nov 2.

ASSISTANT: Found ticket with airline JetBlue for price 100 having flight number 1006.

USER: Please proceed with booking.

ASSISTANT: Ticket is booked.

USER: Thank you for helping me.

ASSISTANT: Thanks.