You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Scott White. I am planning to visit Downtown Aquarium at Houston, could you please help me with booking a flight ticket from PHL to IAH?

ASSISTANT: Sure, can I know your travelling dates?

USER: I would like to depart on Feb 18th and return on Feb 20th.

ASSISTANT: We found a flight from Hawaiian airline with price 100 and economy class and airline number is 1006 with 1 connection and arrival time is 05 AM and departure time is 11 AM, Shall I proceed for booking?

USER: Can you please search a flight with return time evening?

ASSISTANT: Sorry, there are no flights find in the evening.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.