You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Timothy Thompson.

ASSISTANT: How shall I assist you?

USER: I want to go for shopping at The Galleria Mall at Houston, TX - IAH. Will you help me to book a flight on 04/27?

ASSISTANT: Please provide your boarding airport code?

USER: My boarding airport is New York, NY - JFK.

ASSISTANT: Could you provide your return date?

USER: My return date is 04/29.

ASSISTANT: Please mention connections limit?

USER: I need a single connection.

ASSISTANT: No flights are available for your requirement.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks.