You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Larry Harris.

ASSISTANT: How may I hand help to you at this time?

USER: Can you help me to book a flight from EWR to IAH?

ASSISTANT: Yes, can you provide your moving dates of your trip?

USER: My preferable dates are 05/26 and 05/28.

ASSISTANT: Please wait for a while.

USER: Sure. I want a connecting flight.

ASSISTANT: There is no flight obtained when I check in my data base.

USER: That is fine, no issues. Thank you for your time.

ASSISTANT: It's my pleasure.